KaneAI - World’s First E2E Software Testing Agent.Book a Demo 
How to use evalNow method in navalia
Best JavaScript code snippet using navalia
uglifyjs-eval.js
Source:uglifyjs-eval.js 
...18 Scope.prototype.has = function(name) {19 return name in this.variables;20 }21 var evaluators = {};22 function evalNow(ast, scope) {23 var evaluator = evaluators[ast[0]];24 if (!evaluator) {25 console.log('wtf is', ast)26 }27 else {28 return evaluator(ast, scope);29 }30 }31 evaluators['stat'] = function(ast, scope) {32 return evalNow(ast[1], scope);33 }34 evaluators['call'] = function(ast, scope) {35 var callTarget = evalNow(ast[1], scope);36 var callThis;37 if (ast[1][0] == 'dot')38 callThis = evalNow(ast[1][1], scope);39 else40 callThis = null;41 var callArgs = [];42 for (var a in ast[2]) {43 callArgs.push(evalNow(ast[2][a], scope));44 }45 return callTarget.apply(callThis, callArgs);46 }47 evaluators['dot'] = function(ast, scope) {48 var dotSource = evalNow(ast[1], scope);49 if (dotSource == null) {50 console.log('error null target', ast[1]);51 }52 return dotSource[ast[2]]53 }54 evaluators['name'] = function(ast, scope) {55 var name = ast[1];56 if (name == 'true')57 return true;58 if (name == 'false')59 return false;60 var nameScope = scope.getVariableScope(name);61 if (nameScope.has(name))62 return nameScope.get(name);63 throw new Error(name + ' not found in scope');64 }65 evaluators['string'] = function(ast, scope) {66 return ast[1];67 }68 evaluators['num'] = function(ast, scope) {69 return ast[1];70 }71 evaluators['assign'] = function(ast, scope) {72 var val = evalNow(ast[3], scope);73 var assignee = ast[2];74 if (assignee[0] == 'sub') {75 var dict = evalNow(assignee[1], scope);76 dict[evalNow(assignee[2], scope)] = val;77 }78 else if (assignee[0] == 'name') {79 var name = assignee[1];80 var nameScope = scope.getVariableScope(name);81 nameScope.set(name, val);82 }83 return val;84 }85 evaluators['object'] = function(ast, scope) {86 var ret = {};87 var vars = ast[1];88 for (var o in vars) {89 o = vars[o];90 ret[o[0]] = evalNow(o[1], scope);91 }92 return ret;93 }94 evaluators['binary'] = function(ast, scope) {95 if (ast[1] == '+') {96 var ret = evalNow(ast[2], scope) + evalNow(ast[3], scope);97 return ret;98 }99 else if (ast[1] == '*') {100 var ret = evalNow(ast[2], scope) * evalNow(ast[3], scope);101 return ret;102 }103 else if (ast[1] == '/') {104 var ret = evalNow(ast[2], scope) / evalNow(ast[3], scope);105 return ret;106 }107 else if (ast[1] == '-') {108 var ret = evalNow(ast[2], scope) - evalNow(ast[3], scope);109 return ret;110 }111 else if (ast[1] == '||') {112 var ret = evalNow(ast[2], scope) || evalNow(ast[3], scope);113 return ret;114 }115 else {116 console.log('wtf is binary', ast[1]);117 }118 }119 evaluators['if'] = function(ast, scope) {120 if (evalNow(ast[1], scope)) {121 return evalNow(ast[2], scope);122 }123 if (ast[3])124 return evalNow(ast[3], scope);125 }126 function evalBlock(block, scope) {127 var lastRet;128 for (var arg in block) {129 arg = block[arg];130 if (arg[0] == 'return') {131 if (arg[1])132 return evalNow(arg[1], scope);133 return;134 }135 lastRet = evalNow(arg, scope)136 }137 return lastRet;138 }139 evaluators['block'] = function(ast, scope) {140 return evalBlock(ast[1], scope);141 }142 evaluators['function'] = 143 evaluators['defun'] =144 function(ast, scope) {145 var newScope = new Scope(scope);146 var funName = ast[1];147 var fun = function() {148 var i = 0;149 for (var arg in ast[2]) {150 arg = ast[2][arg];151 newScope.set(arg, arguments[i++]);152 }153 var ret = evalBlock(ast[3], newScope);154 return ret;155 }156 157 if (funName)158 scope.set(funName, fun);159 160 return fun;161 }162 return function(str) {163 var ast = Uglify.parse(str);164 var global = new Scope();165 global.set('console', console);166 if (ast[0] == 'toplevel') {167 var lastRet;168 for (var i in ast[1]) {169 lastRet = evalNow(ast[1][i], global);170 }171 return lastRet;172 }173 else {174 console.log('wtf is ' + ast[0])175 }176 }...
Using AI Code Generation
1var navalia = require('navalia');2var browser = new navalia();3 .type('input[name="q"]', 'navalia')4 .click('input[name="btnK"]')5 .wait('h3.r')6 .evalNow(function () {7 return document.querySelector('h3.r').innerText;8 })9 .then(function (result) {10 console.log(result);11 return browser.close();12 })13 .catch(function (err) {14 console.log(err);15 return browser.close();16 });17var navalia = require('navalia');18var browser = new navalia();19 .type('input[name="q"]', 'navalia')20 .click('input[name="btnK"]')21 .wait('h3.r')22 .eval(function () {23 return document.querySelector('h3.r').innerText;24 })25 .then(function (result) {26 console.log(result);27 return browser.close();28 })29 .catch(function (err) {30 console.log(err);31 return browser.close();32 });33var navalia = require('navalia');34var browser = new navalia();35 .type('input[name="q"]', 'navalia')36 .click('input[name="btnK"]')37 .wait('h3.r')38 .evaluate(function () {39 return document.querySelector('h3.r').innerText;40 })41 .then(function (result) {42 console.log(result);43 return browser.close();44 })45 .catch(function (err) {46 console.log(err);47 return browser.close();48 });49var navalia = require('navalia');50var browser = new navalia();51 .type('input[name="q"]', 'navalia')
Using AI Code Generation
1var navalia = require('navalia');2var browser = navalia();3 .evaluateNow(function () {4 return document.title;5 })6 .then(function (title) {7 console.log(title);8 })9 .catch(function (error) {10 console.error(error);11 })12 .finally(function () {13 browser.close();14 });15#### browser.goto(url)16#### browser.evaluateNow(fn)17browser.evaluateNow(function () {18 return document.title;19});20#### browser.evaluate(fn)21browser.evaluate(function () {22 return document.title;23}).then(function (title) {24 console.log(title);25});26#### browser.screenshot(path)27browser.screenshot('screenshot.png');28#### browser.pdf(path)29browser.pdf('document.pdf');30#### browser.close()31browser.close();32MIT © [Diego Haz](
Using AI Code Generation
1(async () => {2 const browser = new Navalia();3 const page = await browser.newPage();4 const title = await page.evalNow(() => document.title);5 console.log(title);6 await browser.close();7})();8(async () => {9 const browser = new Navalia();10 const page = await browser.newPage();11 const title = await page.evalNow(async () => {12 await new Promise((resolve) => setTimeout(resolve, 1000));13 return document.title;14 });15 console.log(title);16 await browser.close();17})();18(async () => {19 const browser = new Navalia();20 const page = await browser.newPage();21 const title = await page.evalNow(async () => {22 await new Promise((resolve) => setTimeout(resolve, 1000));23 return document.title;24 });25 console.log(title);26 const title2 = await page.evalNow(() => document.title);27 console.log(title2);28 await browser.close();29})();30(async () => {31 const browser = new Navalia();32 const page = await browser.newPage();33 const title = await page.evalNow(async () => {34 await new Promise((resolve) => setTimeout(resolve, 1000));35 return document.title;36 });37 console.log(title);
Using AI Code Generation
1const navalia = require('navalia');2const browser = new navalia();3 .then(() => browser.evalNow(() => document.querySelector('input[name="q"]').value = 'navalia'))4 .then(() => browser.evalNow(() => document.querySelector('input[name="q"]').value))5 .then(value => console.log(value))6 .then(() => browser.close());7const navalia = require('navalia');8const browser = new navalia();9 .then(() => browser.evalNow(() => document.querySelector('input[name="q"]').value = 'navalia'))10 .then(() => browser.evalNow(() => new Promise(resolve => setTimeout(() => resolve(document.querySelector('input[name="q"]').value), 1000))))11 .then(value => console.log(value))12 .then(() => browser.close());
Using AI Code Generation
1const navalia = require('navalia');2const browser = new navalia();3const { evaluate } = browser;4const { navigate } = browser;5const { evalNow } = browser;6const { close } = browser;7 .then(() => evaluate(() => document.title))8 .then(title => {9 console.log('Title is: ' + title);10 })11 .then(() => evalNow(() => document.title))12 .then(title => {13 console.log('Title is: ' + title);14 })15 .then(() => close());16const navalia = require('navalia');17const browser = new navalia();18const { evaluate } = browser;19const { navigate } = browser;20const { evalNow } = browser;21const { close } = browser;22 .then(() => evaluate(() => document.title))23 .then(title => {24 console.log('Title is: ' + title);25 })26 .then(() => evalNow(() => document.title))27 .then(title => {28 console.log('Title is: ' + title);29 })30 .then(() => close());31const navalia = require('navalia');32const browser = new navalia();33const { evaluate } = browser;34const { navigate } = browser;35const { evalNow } = browser;36const { close } = browser;37 .then(() => evaluate(() => document.title))38 .then(title => {39 console.log('Title is: ' + title);40 })41 .then(() => evalNow(() => document.title))42 .then(title => {43 console.log('Title is: ' + title);44 })45 .then(() => close());46const navalia = require('navalia');47const browser = new navalia();48const { evaluate } = browser;49const { navigate } = browser;50const { evalNow } = browser;
Using AI Code Generation
1const Navalia = require('navalia')2const navalia = new Navalia()3 .then(() => navalia.evalNow('document.title'))4 .then((title) => console.log(title))5 .catch((err) => console.log(err))6 .then(() => navalia.close())7const Navalia = require('navalia')8const navalia = new Navalia()9 .then(() => navalia.eval('document.title'))10 .then((title) => console.log(title))11 .catch((err) => console.log(err))12 .then(() => navalia.close())13const Navalia = require('navalia')14const navalia = new Navalia()15 .then(() => navalia.eval('document.title', 1000))16 .then((title) => console.log(title))17 .catch((err) => console.log(err))18 .then(() => navalia.close())19const Navalia = require('navalia')20const navalia = new Navalia()21 .then(() => navalia.screenshot('screenshot.png'))22 .catch((err) => console.log(err))23 .then(() => navalia.close())24const Navalia = require('navalia')25const navalia = new Navalia()26 .then(() => navalia.screenshot('screenshot
Using AI Code Generation
1var navalia = require('navalia');2var myBrowser = new navalia();3myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');4myBrowser.close();5var navalia = require('navalia');6var myBrowser = new navalia();7myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');8myBrowser.close();9var navalia = require('navalia');10var myBrowser = new navalia();11myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');12myBrowser.close();13var navalia = require('navalia');14var myBrowser = new navalia();15myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');16myBrowser.close();17var navalia = require('navalia');18var myBrowser = new navalia();19myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');20myBrowser.close();21var navalia = require('navalia');22var myBrowser = new navalia();23myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');24myBrowser.close();25var navalia = require('navalia');26var myBrowser = new navalia();27myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');28myBrowser.close();29var navalia = require('navalia');30var myBrowser = new navalia();31myBrowser.evalNow('document.body.innerHTML = "<h1>hello world!</h1>"');32myBrowser.close();33var navalia = require('navalia');34var myBrowser = new navalia();35myBrowser.evalNow('document.body.innerHTML =
Using AI Code Generation
1const navalia = require('navalia');2const browser = navalia.firefox();3(async () => {4 const title = await browser.evalNow(() => document.title);5 console.log(title);6 await browser.close();7})();8const navalia = require('navalia');9const browser = navalia.firefox();10(async () => {11 const title = await browser.evalLater(() => document.title);12 console.log(title);13 await browser.close();14})();15const navalia = require('navalia');16const browser = navalia.firefox();17(async () => {18 const title = await browser.evalNow(() => document.title);19 console.log(title);20 await browser.close();21})();22const navalia = require('navalia');23const browser = navalia.firefox();24(async () => {25 const title = await browser.evalLater(() => document.title);26 console.log(title);27 await browser.close();28})();29const navalia = require('navalia');30const browser = navalia.firefox();31(async () => {32 const title = await browser.evalNow((arg1, arg2) => {33 return arg1 + arg2;34 }, 'Hello', 'World');35 console.log(title);36 await browser.close();37})();
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run navalia automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
