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How to use is_at_least_one_item_in_targetlist method in wpt

Best JavaScript code snippet using wpt

multi-touch-interactions.js

Source:multi-touch-interactions.js

...28					exist_in_targetlists=true;29		assert_true(exist_in_targetlists, list_name + ".item("+i+") exists in " + targetlist1_name + " or " + targetlist2_name);30	}31}32function is_at_least_one_item_in_targetlist(list, targetlist) {33	for(i=0; i<list.length; i++)34		for(j=0; j<targetlist.length; j++)35			if(list.item(i).identifier==targetlist.item(j).identifier)36				return true;37	return false;38}39function check_no_item_in_targetlist(list, list_name, targetlist, targetlist_name) {40	for(i=0; i<list.length; i++)41		for(j=0; j<targetlist.length; j++) {42			assert_false(list.item(i).identifier==targetlist.item(j).identifier, list_name + ".item("+i+") exists in " + targetlist_name);43			return;44		}45}46function check_targets(list, target) {47	for(i=0; i<list.length; i++)48		assert_true(list.item(i).target==target, "item(" + i + ").target is element receiving event");49}50function check_starting_elements(list) {51	for (i=0; i<list.length; i++) {52		assert_equals(list.item(i).target, starting_elements[list.item(i).identifier], "item(" + i + ").target matches starting element");53	}54}55function run() {56	var target0 = document.getElementById("target0");57	var target1 = document.getElementById("target1");58	var test_touchstart = async_test("touchstart event received");59	var test_touchmove = async_test("touchmove event received");60	var test_touchend = async_test("touchend event received");61	var test_mousedown = async_test("Interaction with mouse events");62	var touchstart_received = 0;63	var touchmove_received = 0;64	var touchend_received = 0;65	var touchstart_identifier;66	// last received touch lists for comparison67	var last_touches;68	var last_targetTouches={};69	var last_changedTouches={};70	on_event(window, "touchstart", function onTouchStart(ev) {71		// process event only if it's targeted at target0 or target172		if(ev.target != target0 && ev.target != target1 )73			return;74		ev.preventDefault();75		if(!touchstart_received) {76			// Check event ordering TA: 1.6.177			test_touchstart.step(function() {78				assert_true(touchmove_received==0, "touchstart precedes touchmove");79				assert_true(touchend_received==0, "touchstart precedes touchend");80			});81			test_touchstart.done();82			test_mousedown.done(); // If we got here, then the mouse event test is not needed.83		}84		touchstart_received++;85		// TA: 1.3.2.2, 1.3.2.486		test(function() {87			assert_true(ev.changedTouches.length >= 1, "changedTouches.length is at least 1");88			assert_true(ev.changedTouches.length <= ev.touches.length, "changedTouches.length is smaller than touches.length");89			check_list_subset_of_targetlist(ev.changedTouches, "changedTouches", ev.touches, "touches");90		}, "touchstart #" + touchstart_received + ": changedTouches is a subset of touches");91		// TA: 1.3.3.2, 1.3.3.392		test(function() {93			assert_true(ev.targetTouches.length >= 1, "targetTouches.length is at least 1");94			assert_true(ev.targetTouches.length <= ev.touches.length, "targetTouches.length is smaller than touches.length");95			check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.touches, "touches");96		}, "touchstart #" + touchstart_received + ": targetTouches is a subset of touches");97		// TA: 1.3.3.998		test(function() {99			check_targets(ev.targetTouches, ev.target);100		}, "touchstart #" + touchstart_received + ": targets of targetTouches are correct");101		// TA: 1.3.4.2102		test(function() {103			assert_true(ev.touches.length >= 1, "touches.length is at least 1");104		}, "touchstart #" + touchstart_received + ": touches.length is valid");105		if(touchstart_received == 1) {106			// TA: 1.3.3.5, 1.3.3.7107			test(function() {108				assert_true(ev.targetTouches.length <= ev.changedTouches.length, "targetTouches.length is smaller than changedTouches.length");109				check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.changedTouches, "changedTouches");110			}, "touchstart #" + touchstart_received + ": targetTouches is a subset of changedTouches");111			// TA: 1.3.4.3112			test(function() {113				assert_true(ev.touches.length==ev.changedTouches.length, "touches and changedTouches have the same length");114			}, "touchstart #" + touchstart_received + ": touches and changedTouches have the same length");115		} else {116			// TA: 1.3.3.6117			test(function() {118				var diff_in_targetTouches = ev.targetTouches.length - (last_targetTouches[ev.target.id] ? last_targetTouches[ev.target.id].length : 0);119				assert_true(diff_in_targetTouches > 0, "targetTouches.length is larger than last received targetTouches.length");120				assert_true(diff_in_targetTouches <= ev.changedTouches.length, "change in targetTouches.length is smaller than changedTouches.length");121			}, "touchstart #" + touchstart_received + ": change in targetTouches.length is valid");122			// TA: 1.3.3.8123			test(function() {124				assert_true(is_at_least_one_item_in_targetlist(ev.targetTouches, ev.changedTouches), "at least one item of targetTouches is in changedTouches");125			}, "touchstart #" + touchstart_received + ": at least one targetTouches item in changedTouches");126			// TA: 1.3.4.4127			test(function() {128				var diff_in_touches = ev.touches.length - last_touches.length;129				assert_true(diff_in_touches > 0, "touches.length is larger than last received touches.length");130				assert_true(diff_in_touches == ev.changedTouches.length, "change in touches.length equals changedTouches.length");131			}, "touchstart #" + touchstart_received + ": change in touches.length is valid");132			// TA: 1.3.4.5133			test(function() {134				check_list_subset_of_two_targetlists(ev.touches, "touches", ev.changedTouches, "changedTouches", last_touches, "last touches");135			}, "touchstart #" + touchstart_received + ": touches is subset of {changedTouches, last received touches}");136		}137		// save starting element of each new touch point138		for (i=0; i<ev.changedTouches.length; i++) {139			starting_elements[ev.changedTouches.item(i).identifier] = ev.changedTouches.item(i).target;140		}141		last_touches = ev.touches;142		last_targetTouches[ev.target.id] = ev.targetTouches;143		last_changedTouches = {};	// changedTouches are only saved for touchend events144	});145	on_event(window, "touchmove", function onTouchMove(ev) {146		// process event only if it's targeted at target0 or target1147		if(ev.target != target0 && ev.target != target1 )148			return;149		ev.preventDefault();150		// TA: 1.6.1151		test_touchmove.step(function() {152			assert_true(touchstart_received>0, "touchmove follows touchstart");153			// assert_false(touchend_received, "touchmove precedes touchend"); // this applies to scenario tests154		});155		test_touchmove.done();156		touchmove_received++;157		// do the detailed checking only for a few times158		if(touchmove_received<6) {159			// TA: 1.4.2.2, 1.4.2.4160			test(function() {161				assert_true(ev.changedTouches.length >= 1, "changedTouches.length is at least 1");162				assert_true(ev.changedTouches.length <= ev.touches.length, "changedTouches.length is smaller than touches.length");163				check_list_subset_of_targetlist(ev.changedTouches, "changedTouches", ev.touches, "touches");164			}, "touchmove #" + touchmove_received + ": changedTouches is a subset of touches");165			// TA: 1.4.3.2, 1.4.3.4166			test(function() {167				assert_true(ev.targetTouches.length >= 1, "targetTouches.length is at least 1");168				assert_true(ev.targetTouches.length <= ev.touches.length, "targetTouches.length is smaller than touches.length");169				check_list_subset_of_targetlist(ev.targetTouches, "targetTouches", ev.touches, "touches");170			}, "touchmove #" + touchmove_received + ": targetTouches is a subset of touches");171			// TA: 1.4.3.6172			test(function() {173				assert_true(is_at_least_one_item_in_targetlist(ev.targetTouches, ev.changedTouches), "at least one item of targetTouches is in changedTouches");174			}, "touchmove #" + touchmove_received + ": at least one targetTouches item in changedTouches");175			// TA: 1.4.3.8176			test(function() {177				check_targets(ev.targetTouches, ev.target);178			}, "touchmove #" + touchmove_received + ": targets of targetTouches are correct");179			// TA: 1.4.4.2180			test(function() {181				assert_true(ev.touches.length==last_touches.length, "length of touches is same as length of last received touches");182				check_list_subset_of_targetlist(ev.touches, "touches", last_touches, "last received touches");183			}, "touchmove #" + touchmove_received + ": touches must be same as last received touches");184			// TA: 1.6.3185			check_starting_elements(ev.changedTouches);186		}187		last_touches = ev.touches;...

Using AI Code Generation

1var wptargetlist = require('wptargetlist');2var targetlist = new wptargetlist();3if (targetlist.is_at_least_one_item_in_targetlist()) {4    console.log('At least one item in targetlist');5} else {6    console.log('No item in targetlist');7}

Using AI Code Generation

1var wptargetlist = require('wptargetlist');2wptargetlist.is_at_least_one_item_in_targetlist(targetlist, targetlist2, function(err, result){3    if (err) {4        console.log(err);5    } else {6        console.log(result);7    }8});9var wptargetlist = require('wptargetlist');10wptargetlist.is_all_item_in_targetlist(targetlist, targetlist2, function(err, result){11    if (err) {12        console.log(err);13    } else {14        console.log(result);15    }16});17var wptargetlist = require('wptargetlist');18wptargetlist.is_targetlist_contains_targetlist(targetlist, targetlist2, function(err, result){19    if (err) {20        console.log(err);

Using AI Code Generation

1var wptargetlist = require('wptargetlist');2var targetlist = {3  "targetlist": {4      {5      },6      {7      }8  }9}10var targetlist2 = {11  "targetlist": {12      {13      },14      {15      },16      {17      }18  }19}20var targetlist3 = {21  "targetlist": {22      {23      },24      {25      },26      {27      }28  }29}30var targetlist4 = {31  "targetlist": {32      {33      },34      {35      },36      {37      }38  }39}40var targetlist5 = {41  "targetlist": {42      {43      },44      {45      },46      {47      }48  }49}50var targetlist6 = {51  "targetlist": {52      {53      },54      {

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