How to use traverseChildren method in Playwright Internal

Best JavaScript code snippet using playwright-internal

offspring-1.0.js

Source:offspring-1.0.js Github

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...117 },118 // Executed once the page has loaded119 start: function() {120 var startTime = new Date();121 this.traverseChildren(document.getElementsByTagName("body")[0]);122 var endTime = new Date();123 // alert("Offspring Exec time: " + (endTime.getTime() - startTime.getTime()) + "ms");124 // window.status += "Offspring Exec time: " + (endTime.getTime() - startTime.getTime()) + "ms";125 },126 /* Maintenance note for defineTraverseChildrenFunction:127 128 There are several blocks of code that are marked off as "traverseChildren.A"129 or "traverseChildren.B" -- each of these are identical, respectively. (That is,130 all "traverseChildren.A" blocks are the same and all "traverseChildren.B" are 131 the same.) 132 133 So, why not just create a function where the code can be kept in one place? 134 While normally a sensible idea, I decided against that approach only so 135 that the speed hits associated with the creation of the function stack136 could be averted. At the same time, I didn't want to compromise137 the code's maintainability; so, if any block needs to be updated, they138 can all be kept in sync with some basic copy-n-pasting from one 139 block to the next.140 */141 /* This defines the internal iterator function on-the-fly,142 depending on the configuration options */143 defineTraverseChildrenFunction: function() {144 switch (this.configuration.shouldRemoveOldOffspringClassesFirst)145 {146 case true: // shouldRemoveOldOffspringClassesFirst is true147 switch (this.configuration.runningMode)148 {149 case 'full': // 'full' running mode and shouldRemoveOldOffspringClassesFirst is true150 this.traverseChildren = function(parent)151 {152 /* ============= Begin Code Block "traverseChildren.A" ================ */153 // If the node has no children, exit154 if (!parent.childNodes.length) return;155 /* First, gather up all the element nodes */156 var childElementNodes = [];157 var testNode = parent.childNodes[0]; // initialize158 while (testNode)159 {160 if (testNode.nodeType == 1)161 {162 childElementNodes.push(testNode);163 }164 testNode = testNode.nextSibling;165 }166 /*167 empty this variable to ensure that the JavaScript168 interpreter doesn't have to update the variable's169 nodelist as DOM changes are made170 */171 testNode = null;172 var childElementNodesLength = childElementNodes.length;173 // If no element nodes were found, exit174 if (!childElementNodesLength) return;175 // Make sure that the CSS-classnames cache has enough entries to cover176 // the number of child nodes177 if (childElementNodesLength > this.cacheLevel)178 {179 this.fillCacheTo(childElementNodesLength);180 }181 var lastIndex = childElementNodesLength - 1; // index of the last element node182 /* ============= /End Code Block "traverseChildren.A" ================ */183 // First, take care of all but the last element184 for (var i = 0; i < lastIndex; i++)185 {186 var currentElement = childElementNodes[i];187 this.removeMultipleClassNames(currentElement, this.classNamesArray, this.classNameSubstringsArray);188 // argument syntax: node to act upon, current index, boolean for whether isLast189 this._addOffspringClassNames(currentElement, i, false);190 this.traverseChildren(currentElement);191 }192 currentElement = null; // prevent memory leaks193 // Then, take care of the last one194 var lastElement = childElementNodes[lastIndex];195 this.removeMultipleClassNames(lastElement, this.classNamesArray, this.classNameSubstringsArray);196 this._addOffspringClassNames(lastElement, lastIndex, true);197 this.traverseChildren(lastElement);198 lastElement = null; // prevent memory leaks199 /* ============= Begin Code Block "traverseChildren.B" ================ */200 // prevent memory leaks201 lastElement = null;202 parent = null;203 /* ============= /End Code Block "traverseChildren.B" ================ */204 }; // end of traverseChildren function definition205 break;206 case 'light': // 'light' running mode and shouldRemoveOldOffspringClassesFirst is true207 this.traverseChildren = function(parent)208 {209 /* ============= Begin Code Block "traverseChildren.A" ================ */210 // If the node has no children, exit211 if (!parent.childNodes.length) return;212 /* First, gather up all the element nodes */213 var childElementNodes = [];214 var testNode = parent.childNodes[0]; // initialize215 while (testNode)216 {217 if (testNode.nodeType == 1)218 {219 childElementNodes.push(testNode);220 }221 testNode = testNode.nextSibling;222 }223 /*224 empty this variable to ensure that the JavaScript225 interpreter doesn't have to update the variable's226 nodelist as DOM changes are made227 */228 testNode = null;229 var childElementNodesLength = childElementNodes.length;230 // If no element nodes were found, exit231 if (!childElementNodesLength) return;232 // Make sure that the CSS-classnames cache has enough entries to cover233 // the number of child nodes234 if (childElementNodesLength > this.cacheLevel)235 {236 this.fillCacheTo(childElementNodesLength);237 }238 var lastIndex = childElementNodesLength - 1; // index of the last element node239 /* ============= /End Code Block "traverseChildren.A" ================ */240 switch (childElementNodesLength)241 {242 case 0: return;243 break;244 case 1:245 /* Take care of the only element */246 var onlyElement = childElementNodes[0];247 this.removeMultipleClassNames(onlyElement, this.classNamesArray, this.classNameSubstringsArray);248 // argument syntax: node to act upon, current index, boolean for whether isLast249 this._addOffspringClassNames( onlyElement, lastIndex, true );250 onlyElement = null; // prevent memory leaks251 break;252 default:253 /* Take care of the first element */254 var firstElement = childElementNodes[0];255 this.removeMultipleClassNames(firstElement, this.classNamesArray, this.classNameSubstringsArray);256 // argument syntax: node to act upon, current index, boolean for whether isLast257 this._addOffspringClassNames( firstElement, 0, false );258 firstElement = null; // prevent memory leaks259 /* Take care of the last element */260 var lastElement = childElementNodes[lastIndex];261 this.removeMultipleClassNames(lastElement, this.classNamesArray, this.classNameSubstringsArray);262 // argument syntax: node to act upon, current index, boolean for whether isLast263 this._addOffspringClassNames( lastElement , lastIndex, true );264 lastElement = null; // prevent memory leaks265 break;266 } // end of switch statement for childElementNodesLength267 // Lastly, loop over all the childern elements268 for (var i = 0; i < childElementNodesLength; i++)269 {270 this.traverseChildren( childElementNodes[i] );271 }272 /* ============= Begin Code Block "traverseChildren.B" ================ */273 // prevent memory leaks274 lastElement = null;275 parent = null;276 /* ============= /End Code Block "traverseChildren.B" ================ */277 }; // end of traverseChildren function definition278 break;279 } // end of switch-statement for configuration.runningMode280 break;281 case false: // shouldRemoveOldOffspringClassesFirst is false282 switch (this.configuration.runningMode)283 {284 case 'full': // 'full' running mode and shouldRemoveOldOffspringClassesFirst is false285 this.traverseChildren = function(parent)286 {287 /* ============= Begin Code Block "traverseChildren.A" ================ */288 // If the node has no children, exit289 if (!parent.childNodes.length) return;290 /* First, gather up all the element nodes */291 var childElementNodes = [];292 var testNode = parent.childNodes[0]; // initialize293 while (testNode)294 {295 if (testNode.nodeType == 1)296 {297 childElementNodes.push(testNode);298 }299 testNode = testNode.nextSibling;300 }301 /*302 empty this variable to ensure that the JavaScript303 interpreter doesn't have to update the variable's304 nodelist as DOM changes are made305 */306 testNode = null;307 var childElementNodesLength = childElementNodes.length;308 // If no element nodes were found, exit309 if (!childElementNodesLength) return;310 // Make sure that the CSS-classnames cache has enough entries to cover311 // the number of child nodes312 if (childElementNodesLength > this.cacheLevel)313 {314 this.fillCacheTo(childElementNodesLength);315 }316 var lastIndex = childElementNodesLength - 1; // index of the last element node317 /* ============= /End Code Block "traverseChildren.A" ================ */318 // First, take care of all but the last element319 for (var i = 0; i < lastIndex; i++)320 {321 var currentElement = childElementNodes[i];322 // argument syntax: node to act upon, current index, boolean for whether isLast323 this._addOffspringClassNames(currentElement, i, false);324 this.traverseChildren(currentElement);325 }326 currentElement = null; // prevent memory leaks327 /*328 Then, take care of the last one329 (this set of code isn't integrated into330 the for-loop above so as to avoid having331 an addiitional if-statement inside there)332 */333 var lastElement = childElementNodes[lastIndex];334 this._addOffspringClassNames(lastElement, lastIndex, true);335 this.traverseChildren(lastElement);336 lastElement = null; // prevent memory leaks337 /* ============= Begin Code Block "traverseChildren.B" ================ */338 // prevent memory leaks339 lastElement = null;340 parent = null;341 /* ============= /End Code Block "traverseChildren.B" ================ */342 }; // end of traverseChildren function definition343 break;344 case 'light': // 'light' running mode and shouldRemoveOldOffspringClassesFirst is false345 this.traverseChildren = function(parent)346 {347 /* ============= Begin Code Block "traverseChildren.A" ================ */348 // If the node has no children, exit349 if (!parent.childNodes.length) return;350 /* First, gather up all the element nodes */351 var childElementNodes = [];352 var testNode = parent.childNodes[0]; // initialize353 while (testNode)354 {355 if (testNode.nodeType == 1)356 {357 childElementNodes.push(testNode);358 }359 testNode = testNode.nextSibling;360 }361 /*362 empty this variable to ensure that the JavaScript363 interpreter doesn't have to update the variable's364 nodelist as DOM changes are made365 */366 testNode = null;367 var childElementNodesLength = childElementNodes.length;368 // If no element nodes were found, exit369 if (!childElementNodesLength) return;370 // Make sure that the CSS-classnames cache has enough entries to cover371 // the number of child nodes372 if (childElementNodesLength > this.cacheLevel)373 {374 this.fillCacheTo(childElementNodesLength);375 }376 var lastIndex = childElementNodesLength - 1; // index of the last element node377 /* ============= /End Code Block "traverseChildren.A" ================ */378 switch (childElementNodesLength)379 {380 case 0: break;381 case 1:382 /* Take care of the only element */383 // argument syntax: node to act upon, current index, boolean for whether isLast384 this._addOffspringClassNames( childElementNodes[0], lastIndex, true );385 // Lastly, loop over all the childern elements386 for (var i = 0; i < childElementNodesLength; i++)387 {388 this.traverseChildren( childElementNodes[i] );389 }390 break;391 default:392 /* Take care of the first element */393 // argument syntax: node to act upon, current index, boolean for whether isLast394 this._addOffspringClassNames( childElementNodes[0], 0, false );395 /* Take care of the last element */396 // argument syntax: node to act upon, current index, boolean for whether isLast397 this._addOffspringClassNames( childElementNodes[lastIndex] , lastIndex, true );398 // Lastly, loop over all the childern elements399 for (var i = 0; i < childElementNodesLength; i++)400 {401 this.traverseChildren( childElementNodes[i] );402 }403 break;404 }405 /* ============= Begin Code Block "traverseChildren.B" ================ */406 // prevent memory leaks407 lastElement = null;408 parent = null;409 /* ============= /End Code Block "traverseChildren.B" ================ */410 }; // end of traverseChildren function definition411 break;412 } // end of switch-statement for configuration.runningMode413 break;414 } // end of switch-statement for configuration.shouldRemoveOldOffspringClassesFirst415 }, // end of defineTraverseChildrenFunction...

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offspring.js

Source:offspring.js Github

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...117 },118 // Executed once the page has loaded119 start: function() {120 var startTime = new Date();121 this.traverseChildren(document.getElementsByTagName("body")[0]);122 var endTime = new Date();123 // alert("Offspring Exec time: " + (endTime.getTime() - startTime.getTime()) + "ms");124 // window.status += "Offspring Exec time: " + (endTime.getTime() - startTime.getTime()) + "ms";125 },126 /* Maintenance note for defineTraverseChildrenFunction:127 128 There are several blocks of code that are marked off as "traverseChildren.A"129 or "traverseChildren.B" -- each of these are identical, respectively. (That is,130 all "traverseChildren.A" blocks are the same and all "traverseChildren.B" are 131 the same.) 132 133 So, why not just create a function where the code can be kept in one place? 134 While normally a sensible idea, I decided against that approach only so 135 that the speed hits associated with the creation of the function stack136 could be averted. At the same time, I didn't want to compromise137 the code's maintainability; so, if any block needs to be updated, they138 can all be kept in sync with some basic copy-n-pasting from one 139 block to the next.140 */141 /* This defines the internal iterator function on-the-fly,142 depending on the configuration options */143 defineTraverseChildrenFunction: function() {144 switch (this.configuration.shouldRemoveOldOffspringClassesFirst)145 {146 case true: // shouldRemoveOldOffspringClassesFirst is true147 switch (this.configuration.runningMode)148 {149 case 'full': // 'full' running mode and shouldRemoveOldOffspringClassesFirst is true150 this.traverseChildren = function(parent)151 {152 /* ============= Begin Code Block "traverseChildren.A" ================ */153 // If the node has no children, exit154 if (!parent.childNodes.length) return;155 /* First, gather up all the element nodes */156 var childElementNodes = [];157 var testNode = parent.childNodes[0]; // initialize158 while (testNode)159 {160 if (testNode.nodeType == 1)161 {162 childElementNodes.push(testNode);163 }164 testNode = testNode.nextSibling;165 }166 /*167 empty this variable to ensure that the JavaScript168 interpreter doesn't have to update the variable's169 nodelist as DOM changes are made170 */171 testNode = null;172 var childElementNodesLength = childElementNodes.length;173 // If no element nodes were found, exit174 if (!childElementNodesLength) return;175 // Make sure that the CSS-classnames cache has enough entries to cover176 // the number of child nodes177 if (childElementNodesLength > this.cacheLevel)178 {179 this.fillCacheTo(childElementNodesLength);180 }181 var lastIndex = childElementNodesLength - 1; // index of the last element node182 /* ============= /End Code Block "traverseChildren.A" ================ */183 // First, take care of all but the last element184 for (var i = 0; i < lastIndex; i++)185 {186 var currentElement = childElementNodes[i];187 this.removeMultipleClassNames(currentElement, this.classNamesArray, this.classNameSubstringsArray);188 // argument syntax: node to act upon, current index, boolean for whether isLast189 this._addOffspringClassNames(currentElement, i, false);190 this.traverseChildren(currentElement);191 }192 currentElement = null; // prevent memory leaks193 // Then, take care of the last one194 var lastElement = childElementNodes[lastIndex];195 this.removeMultipleClassNames(lastElement, this.classNamesArray, this.classNameSubstringsArray);196 this._addOffspringClassNames(lastElement, lastIndex, true);197 this.traverseChildren(lastElement);198 lastElement = null; // prevent memory leaks199 /* ============= Begin Code Block "traverseChildren.B" ================ */200 // prevent memory leaks201 lastElement = null;202 parent = null;203 /* ============= /End Code Block "traverseChildren.B" ================ */204 }; // end of traverseChildren function definition205 break;206 case 'light': // 'light' running mode and shouldRemoveOldOffspringClassesFirst is true207 this.traverseChildren = function(parent)208 {209 /* ============= Begin Code Block "traverseChildren.A" ================ */210 // If the node has no children, exit211 if (!parent.childNodes.length) return;212 /* First, gather up all the element nodes */213 var childElementNodes = [];214 var testNode = parent.childNodes[0]; // initialize215 while (testNode)216 {217 if (testNode.nodeType == 1)218 {219 childElementNodes.push(testNode);220 }221 testNode = testNode.nextSibling;222 }223 /*224 empty this variable to ensure that the JavaScript225 interpreter doesn't have to update the variable's226 nodelist as DOM changes are made227 */228 testNode = null;229 var childElementNodesLength = childElementNodes.length;230 // If no element nodes were found, exit231 if (!childElementNodesLength) return;232 // Make sure that the CSS-classnames cache has enough entries to cover233 // the number of child nodes234 if (childElementNodesLength > this.cacheLevel)235 {236 this.fillCacheTo(childElementNodesLength);237 }238 var lastIndex = childElementNodesLength - 1; // index of the last element node239 /* ============= /End Code Block "traverseChildren.A" ================ */240 switch (childElementNodesLength)241 {242 case 0: return;243 break;244 case 1:245 /* Take care of the only element */246 var onlyElement = childElementNodes[0];247 this.removeMultipleClassNames(onlyElement, this.classNamesArray, this.classNameSubstringsArray);248 // argument syntax: node to act upon, current index, boolean for whether isLast249 this._addOffspringClassNames( onlyElement, lastIndex, true );250 onlyElement = null; // prevent memory leaks251 break;252 default:253 /* Take care of the first element */254 var firstElement = childElementNodes[0];255 this.removeMultipleClassNames(firstElement, this.classNamesArray, this.classNameSubstringsArray);256 // argument syntax: node to act upon, current index, boolean for whether isLast257 this._addOffspringClassNames( firstElement, 0, false );258 firstElement = null; // prevent memory leaks259 /* Take care of the last element */260 var lastElement = childElementNodes[lastIndex];261 this.removeMultipleClassNames(lastElement, this.classNamesArray, this.classNameSubstringsArray);262 // argument syntax: node to act upon, current index, boolean for whether isLast263 this._addOffspringClassNames( lastElement , lastIndex, true );264 lastElement = null; // prevent memory leaks265 break;266 } // end of switch statement for childElementNodesLength267 // Lastly, loop over all the childern elements268 for (var i = 0; i < childElementNodesLength; i++)269 {270 this.traverseChildren( childElementNodes[i] );271 }272 /* ============= Begin Code Block "traverseChildren.B" ================ */273 // prevent memory leaks274 lastElement = null;275 parent = null;276 /* ============= /End Code Block "traverseChildren.B" ================ */277 }; // end of traverseChildren function definition278 break;279 } // end of switch-statement for configuration.runningMode280 break;281 case false: // shouldRemoveOldOffspringClassesFirst is false282 switch (this.configuration.runningMode)283 {284 case 'full': // 'full' running mode and shouldRemoveOldOffspringClassesFirst is false285 this.traverseChildren = function(parent)286 {287 /* ============= Begin Code Block "traverseChildren.A" ================ */288 // If the node has no children, exit289 if (!parent.childNodes.length) return;290 /* First, gather up all the element nodes */291 var childElementNodes = [];292 var testNode = parent.childNodes[0]; // initialize293 while (testNode)294 {295 if (testNode.nodeType == 1)296 {297 childElementNodes.push(testNode);298 }299 testNode = testNode.nextSibling;300 }301 /*302 empty this variable to ensure that the JavaScript303 interpreter doesn't have to update the variable's304 nodelist as DOM changes are made305 */306 testNode = null;307 var childElementNodesLength = childElementNodes.length;308 // If no element nodes were found, exit309 if (!childElementNodesLength) return;310 // Make sure that the CSS-classnames cache has enough entries to cover311 // the number of child nodes312 if (childElementNodesLength > this.cacheLevel)313 {314 this.fillCacheTo(childElementNodesLength);315 }316 var lastIndex = childElementNodesLength - 1; // index of the last element node317 /* ============= /End Code Block "traverseChildren.A" ================ */318 // First, take care of all but the last element319 for (var i = 0; i < lastIndex; i++)320 {321 var currentElement = childElementNodes[i];322 // argument syntax: node to act upon, current index, boolean for whether isLast323 this._addOffspringClassNames(currentElement, i, false);324 this.traverseChildren(currentElement);325 }326 currentElement = null; // prevent memory leaks327 /*328 Then, take care of the last one329 (this set of code isn't integrated into330 the for-loop above so as to avoid having331 an addiitional if-statement inside there)332 */333 var lastElement = childElementNodes[lastIndex];334 this._addOffspringClassNames(lastElement, lastIndex, true);335 this.traverseChildren(lastElement);336 lastElement = null; // prevent memory leaks337 /* ============= Begin Code Block "traverseChildren.B" ================ */338 // prevent memory leaks339 lastElement = null;340 parent = null;341 /* ============= /End Code Block "traverseChildren.B" ================ */342 }; // end of traverseChildren function definition343 break;344 case 'light': // 'light' running mode and shouldRemoveOldOffspringClassesFirst is false345 this.traverseChildren = function(parent)346 {347 /* ============= Begin Code Block "traverseChildren.A" ================ */348 // If the node has no children, exit349 if (!parent.childNodes.length) return;350 /* First, gather up all the element nodes */351 var childElementNodes = [];352 var testNode = parent.childNodes[0]; // initialize353 while (testNode)354 {355 if (testNode.nodeType == 1)356 {357 childElementNodes.push(testNode);358 }359 testNode = testNode.nextSibling;360 }361 /*362 empty this variable to ensure that the JavaScript363 interpreter doesn't have to update the variable's364 nodelist as DOM changes are made365 */366 testNode = null;367 var childElementNodesLength = childElementNodes.length;368 // If no element nodes were found, exit369 if (!childElementNodesLength) return;370 // Make sure that the CSS-classnames cache has enough entries to cover371 // the number of child nodes372 if (childElementNodesLength > this.cacheLevel)373 {374 this.fillCacheTo(childElementNodesLength);375 }376 var lastIndex = childElementNodesLength - 1; // index of the last element node377 /* ============= /End Code Block "traverseChildren.A" ================ */378 switch (childElementNodesLength)379 {380 case 0: break;381 case 1:382 /* Take care of the only element */383 // argument syntax: node to act upon, current index, boolean for whether isLast384 this._addOffspringClassNames( childElementNodes[0], lastIndex, true );385 // Lastly, loop over all the childern elements386 for (var i = 0; i < childElementNodesLength; i++)387 {388 this.traverseChildren( childElementNodes[i] );389 }390 break;391 default:392 /* Take care of the first element */393 // argument syntax: node to act upon, current index, boolean for whether isLast394 this._addOffspringClassNames( childElementNodes[0], 0, false );395 /* Take care of the last element */396 // argument syntax: node to act upon, current index, boolean for whether isLast397 this._addOffspringClassNames( childElementNodes[lastIndex] , lastIndex, true );398 // Lastly, loop over all the childern elements399 for (var i = 0; i < childElementNodesLength; i++)400 {401 this.traverseChildren( childElementNodes[i] );402 }403 break;404 }405 /* ============= Begin Code Block "traverseChildren.B" ================ */406 // prevent memory leaks407 lastElement = null;408 parent = null;409 /* ============= /End Code Block "traverseChildren.B" ================ */410 }; // end of traverseChildren function definition411 break;412 } // end of switch-statement for configuration.runningMode413 break;414 } // end of switch-statement for configuration.shouldRemoveOldOffspringClassesFirst415 }, // end of defineTraverseChildrenFunction...

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htmlBuilder.js

Source:htmlBuilder.js Github

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...8 // assembled code9 this.code = "";10 this.level = -2;11 // add the obj to a new object with a "children" property12 // this is the version that traverseChildren() can read13 var formattedObj = {14 "children": element15 }16 // start traversing the object17 var final = this.traverseChildren(this, formattedObj, true);18 return final.Html();19 return {20 "traverseChildren": this.traverseChildren,21 "buildElement": this.buildElement,22 "getArguments": this.getArguments,23 "Html": this.Html24 }25}26htmlBuilder.Build.prototype = Object.create(Object.prototype);27htmlBuilder.Build.prototype.constructor = htmlBuilder.Build;28htmlBuilder.Build.prototype.returnTabString = function (level) {29 var t = "";30 for (var i = 0; i < level; i++) {31 t += "\t";32 }33 return t;34}35htmlBuilder.Build.prototype.traverseChildren = function (build, element, isRoot = false) {36 var e = element;37 var i = 0;38 var code = "";39 build.level++;40 // if children found41 if ( element["children"] != undefined ) {42 43 // loop through children44 for (var i = 0; i < Object.keys(element["children"]).length; i++) {45 var temp = build.traverseChildren(build, element["children"][i]).code;46 47 code += i == 0 ? "" : "\n";48 // recursion continues down to the last element49 code += build.returnTabString(build.level) + temp;50 }51 }52 if (!isRoot) {53 // then write html starting with common attributes54 code = build.buildElement (build, element, code);55 }56 build.code = code;57 build.level--;58 // send assembled code up the chain59 return build;...

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generateVerordeningsPosition.js

Source:generateVerordeningsPosition.js Github

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...16 )17 return indexOfUUID18 }19 // Func to recursively traverse through the children and find the UUID in the properties20 function traverseChildren(children) {21 if (pathFound) return22 // Returns foundIndex() of the UUIDToFind with the objects in the children array23 const indexOfUUIDInArray = findUUIDInArray(children)24 // For each child in the array we first check if the UUID exists in the childs, else we traverse one level to the children of each child and check recrusively from there25 if (indexOfUUIDInArray !== -1) {26 indexPathToUUID[indexTraversed] = indexOfUUIDInArray27 pathFound = true28 } else {29 children.forEach((child, childIndex) => {30 // If item has no children OR pathFound equals true -> Return31 if (!child.Children || child.Children.length === 0 || pathFound)32 return33 // Else push childIndex into indexPathToUUID,34 indexPathToUUID[indexTraversed] = childIndex35 // Increase indexTraversed because in the traverseChildren() call we traverse on level down36 indexTraversed++37 traverseChildren(child.Children)38 // It is possible that we found the Path to the UUID in the traverseChildren() call above. If that is the case we want to return39 if (pathFound) return40 // Else we are done traversing through the children, we replace the item on the current indexPathToUUID index with a null value and then decrease the indexTraversed again41 indexPathToUUID.splice(indexTraversed, 1, null)42 indexTraversed--43 })44 }45 }46 // Initialize function47 traverseChildren(vigerendeVerordeningsStructuurChildren)48 // Return the found array with the path to the UUID49 return indexPathToUUID50}...

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tree.js

Source:tree.js Github

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...20 } else { collapse(d); }21 };22 // Find node by RecordId, and update tre with selected node as root.23 var selectNodeById = function (treeNode, recordId, viewModel) {24 return traverseChildren(findTopNode(treeNode), recordId);25 function findTopNode(d) {26 if (d.parent) {27 return findTopNode(d.parent);28 } else {29 return d;30 }31 }32 function traverseChildren(d, recordId) {33 if (d.recordId === recordId) {34 //viewModel.selectNode(d);35 return d;36 } else {37 if (d.children) {38 for (var k = 0, len = d.children.length; k < len; k++) {39 var soughtNode = traverseChildren(d.children[k], recordId)40 if (soughtNode) { return soughtNode; }41 }42 }43 if (d._children) {44 for (var k = 0, len = d._children.length; k < len; k++) {45 var soughtNode = traverseChildren(d._children[k], recordId)46 if (soughtNode) { return soughtNode; }47 }48 }49 }50 }51 };52 return {53 expand: expand,54 selectNodeById: selectNodeById55 };...

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index.js

Source:index.js Github

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...37 }38 render () {39 return (40 <div className='explorer'>41 { this.traverseChildren(this.props.element) }42 </div>43 )44 }45}46Explorer.propTypes = propTypes...

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p6.DOMtraversal.js

Source:p6.DOMtraversal.js Github

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2function traverse(selector) {3 var elements = document.querySelectorAll(selector);4 var children, child, tabsStart, childClass, i, j, k;5 for (i = 0; i < elements.length; i++) {6 var traverseChildren = function traverseChildren(element, tabs) {7 children = element.children;8 for (j = 0; j < children.length; j++) {9 child = children[j];10 tabsStart = '';11 for (k = 0; k < tabs; k++) {12 tabsStart += '\t';13 }14 childClass = child.className;15 if(childClass) {16 console.log(tabsStart + child.tagName.toLowerCase() + ': class="' + child.className + '"');17 } else {18 console.log(tabsStart + child.tagName.toLowerCase() + ':');19 }20 traverseChildren(child, tabs + 1);21 }22 };23 traverseChildren(elements[i], 0);24 }25}...

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App.js

Source:App.js Github

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...3 constructor(props) {4 super(props);5 this.traverseChildren = this.traverseChildren.bind(this);6 }7 traverseChildren(parentComponent) {8 React.Children.forEach(parentComponent.props.children, (child) => {9 10 if (child.props && child.props.dataField) {11 if (child.props.dataField) {12 child.type.prototype.logging.apply(child);13 console.log(`${child.props.dataField}=${child.props.description}`);14 }15 }16 if (child.props && child.props.children) {17 return this.traverseChildren(child);18 }19 });20 }21 render() {22 this.traverseChildren(this.props.children);23 return this.props.children;24 }25}...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 await page.traverseChildren(element => {6 console.log(element);7 });8 await browser.close();9})();10### `page.traverseContent(handle)`11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch({ headless: false });14 const page = await browser.newPage();15 await page.traverseContent(element => {16 console.log(element);17 });18 await browser.close();19})();20### `page.traverseViewport(handle)`21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch({ headless: false });24 const page = await browser.newPage();25 await page.traverseViewport(element => {26 console.log(element);27 });28 await browser.close();29})();30### `page.waitForFileChooser([options])`

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 const elements = await page.$$('input');6 console.log(elements.length);7 await page.traverseChildren(elements[0], async (element) => {8 console.log(await element.getAttribute('name'));9 });10 await browser.close();11})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 await page.traverseChildren((node) => {6 if (node.nodeType() === Node.TEXT_NODE)7 console.log(node.textContent());8 });9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch({ headless: false });14 const page = await browser.newPage();15 await page.traverseChildren((node) => {16 if (node.nodeType() === Node.ELEMENT_NODE && node.nodeName() === 'A') {17 console.log(node.getAttribute('href'));18 node.click();19 }20 });21 await browser.close();22})();23const { chromium } = require('playwright');24(async () => {25 const browser = await chromium.launch({ headless: false });26 const page = await browser.newPage();27 await page.traverseChildren((node) => {28 if (node.nodeType() === Node.ELEMENT_NODE && node.nodeName() === 'A') {29 console.log(node.getAttribute('href'));30 node.click();31 }32 });33 await browser.close();34})();35const { chromium } = require('playwright');36(async () => {37 const browser = await chromium.launch({ headless: false });38 const page = await browser.newPage();39 await page.traverseChildren((node) => {40 if (node.nodeType() === Node.ELEMENT_NODE && node.nodeName() === 'A') {41 console.log(node.getAttribute('href'));42 node.click();43 }44 });45 await browser.close();46})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 const elements = await page.$$('input');6 console.log(elements.length);7 await page.traverseChildren(elements[0], async (element) => {8 console.log(await element.getAttribute('name'));9 });10 await browser.close();11})();

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const page = await browser.newPage();5 await page.traverseChildren(element => {6 console.log(element);7 });8 await browser.close();9})();10### `page.traverseContent(handle)`11> **NOTE** The.traverseChildren((node) => {12 if (node.nodiType === NodesTEXT_NODE) {13 console.lo (nmde.texeCtntent);14 }15 });16 await browser.close();17})();

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const text = await page.traverseChildren(node => {6 if (node.nodeType === Node.TEXT_NODE)7 return node.nodeValue;8 });9 console.log('All text content of the page:');10 console.log(text.join(''));11 await browser.close();12})();133. Run `node test.js` to run the code.st { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch({ headless: false });16 const page = await browser.newPage();17 await page.traverseContent(element => {18 console.log(element);19 });20 await browser.close();21})();22### `page.traverseViewport(handle)`

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const text = await page.traverseChildren(node => {6 if (node.nodeType === Node.TEXT_NODE)7 return node.nodeValue;8 });9 console.log('All text content of the page:');10 console.log(text.join(''));11 await browser.close();12})();13const { chromium } = require('playwright');14(async () => {15 const browser = await chromium.launch({ headless: false });16 const page = await browser.newPage();17 await page.traverseViewport(element => {18 console.log(element);19 });20 await browser.close();21})();22### `page.waitForFileChooser([options])`

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const elementHandle = await page.$('text=Get started');6 const children = await page.traverseChildren(elementHandle);7 console.log(children);8 await browser.close();9})();

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.traverseChildren((node) => {6 if (node.nodeType === Node.TEXT_NODE) {7 console.log(node.textContent);8 }9 });10 await browser.close();11})();

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const element = await page.$('text=Docs');6 const tree = await element._client.send('DOM.describeNode', {

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1const { chromium } = require('playwright');2const { traverseChildren } = require('playwright/lib/server/dom');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const html = await page.evaluate(() => document.documentElement.outerHTML);7 const dom = await page.evaluateHandle(() => document);8 const result = await traverseChildren(dom, html);9 console.log(result);10 await browser.close();11})();

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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