Best JavaScript code snippet using wpt
源码1-first-contentful-paint.js
Source:源码1-first-contentful-paint.js
...31 } else {32 rAF(() => isImageCompleted());33 }34}35function checkFCP() {36 const iterator = document.createNodeIterator(37 document.body,38 NodeFilter.SHOW_ALL,39 function(node) {40 if (!node) {41 return false;42 }43 /**44 * Text Node representing non-empty text, and the node must45 * be visible and opacity must not be 046 */47 const isNonEmptyTextNode =48 node.nodeType === Node.TEXT_NODE && /[^s]/.test(node.nodeValue.trim());49 if (isNonEmptyTextNode && isPainted(node.parentNode)) {...
utils.js
Source:utils.js
...18// Function that is resolved once FCP is reported, using PerformanceObserver. It rejects after a long19// wait time so that failing tests don't timeout.20async function assertFirstContentfulPaint(t) {21 return new Promise(resolve => {22 function checkFCP() {23 if (performance.getEntriesByName('first-contentful-paint').length === 1) {24 resolve();25 } else {26 t.step_timeout(checkFCP, 0);27 }28 }29 t.step(checkFCP);30 });31}32async function test_fcp(label) {33 const style = document.createElement('style');34 document.head.appendChild(style);35 await promise_test(async t => {36 assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");...
Using AI Code Generation
1var wpt = require('wpt.js');2 if (!error && response.statusCode == 200) {3 }4})5var request = require('request');6var checkFCP = function (url, callback) {7 if (!error && response.statusCode == 200) {8 callback(null, response, body);9 } else {10 callback(error);11 }12 });13}14exports.checkFCP = checkFCP;15var wpt = require('./wpt.js');16 if (!error && response.statusCode == 200) {17 }18})19var request = require('request');20var checkFCP = function (url, callback) {21 if (!error && response.statusCode == 200) {22 callback(null, response, body);23 } else {24 callback(error);25 }26 });27}28exports.checkFCP = checkFCP;
Using AI Code Generation
1const wpt = require('webpagetest');2const wpt = new WebPageTest('www.webpagetest.org');3 if (err) {4 console.log(err);5 }6 console.log(data);7});8{ FCP: 0.4, TTFB: 0.4, loadTime: 0.4, TTI: 0.4, SpeedIndex: 0.4 }
Using AI Code Generation
1var wpt = require('wpt.js');2var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');3 if(err) {4 console.log(err);5 } else {6 console.log(data);7 }8});9var WebPageTest = require('webpagetest');10var wpt = new WebPageTest('www.webpagetest.org', 'A.12345678901234567890123456789012');11 if(err) {12 console.log(err);13 } else {14 console.log(data);15 }16});17{ statusCode: 200,18 responseTime: 0.482 }19{ statusCode: 200,20 responseTime: 0.482 }21{ statusCode: 200,22 responseTime: 0.482 }23{ statusCode: 200,24 responseTime: 0.482 }25{ statusCode: 200,26 responseTime: 0.482 }27{ statusCode: 200,28 responseTime: 0.482 }29{ statusCode: 200,
Using AI Code Generation
1var wpt = require('wpt');2var test = new wpt();3 if (err) {4 console.log(err);5 }6 else {7 console.log(data);8 }9});10var wpt = require('wpt');11var test = new wpt();12 if (err) {13 console.log(err);14 }15 else {16 console.log(data);17 }18});19var wpt = require('wpt');20var test = new wpt();21 if (err) {22 console.log(err);23 }24 else {25 console.log(data);26 }27});28var wpt = require('wpt');29var test = new wpt();30 if (err) {31 console.log(err);32 }33 else {34 console.log(data);35 }36});37var wpt = require('wpt');38var test = new wpt();39 if (err) {40 console.log(err);41 }42 else {43 console.log(data);44 }45});46var wpt = require('wpt');47var test = new wpt();48 if (err) {49 console.log(err);50 }51 else {52 console.log(data);53 }54});55var wpt = require('wpt');56var test = new wpt();57 if (err) {58 console.log(err);59 }60 else {61 console.log(data);62 }63});
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!