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How to use addStyleTag method in Playwright Internal
Best JavaScript code snippet using playwright-internal
CodeGym DARKMODE.user.js
Source:CodeGym DARKMODE.user.js 
...10// @grant none11// @run-at document-idle12// @license MIT13// ==/UserScript==14function addStyleTag(css) {15 var head, style;16 head = document.getElementsByTagName('head')[0];17 if (!head) { return; }18 style = document.createElement('style');19 style.type = 'text/css';20 style.innerHTML = css;21 head.appendChild(style);22}23// h1 : 36px;24// h2 : 32px;25// h3 : 24px;26// keyframe rainbow27addStyleTag('@keyframes rainbow { 0%{background-position:left} 50%{background-position:right} 100%{background-position:left}}')28// LOGO filter29addStyleTag('span.navbar-brand-logo.mini {filter: grayscale(75%);}')30// body bg31addStyleTag('#page, .main-navigation ul ul{background: #202225 !important;}')32addStyleTag('.navbar .navbar-brand ,.navbar.nav-inverse, .bg-primary{background: #3a4044 !important;}')33addStyleTag('body {color: #ACC8E5 !important; background: #112A46 !important;font-family: \'Montserrat\', Arial, sans-serif !important; }')34// dropdown-menu35addStyleTag('.dropdown-menu {background: #202225 !important; color: #83ba52 !important; }')36// h1 neon37addStyleTag('h1,h2,h3,h4 {letter-spacing: 0.02em !important;text-transform: uppercase !important;text-shadow: 0 0 0.15em #1da9cc !important;white-space: nowrap !important;filter: blur(0.007em) !important;}')38addStyleTag('h1 {font-weight: 700; font-size: 36px; color: #83ba52; }')39addStyleTag('h2 {font-weight: 600; font-size: 28px; color: #fff;')40addStyleTag('h3 {font-weight: 500; font-size: 24px; color: #fff;}')41addStyleTag('h4 {font-weight: 400; font-size: 20px; color: #fff;}')42addStyleTag('h1.page-title.font-size-24.mb-0, a.nav-link.navbar-avatar > span.username {text-shadow:none;font-size:2.0rem!important;color: white; text-shadow: 0 0 0.05em #fff, 0 0 0.2em #fe05e1, 0 0 0.3em #fe05e1!important;} a.nav-link.navbar-avatar > span.username {font-weight:bold !important;text-transform:uppercase;font-size:1rem !important;} span.avatar{box-shadow:0 0 0.05em #fff, 0 0 0.2em #fe05e1, 0 0 0.3em #fe05e1!important;}')43// .pagelayout-course .course-content .sectionname a {44addStyleTag('.pagelayout-course .course-content .sectionname a { color: #83ba52 !important; font-weight: 600;letter-spacing: 0.02em !important;text-transform: uppercase !important;text-shadow: 0 0 0.15em #1da9cc !important;white-space: nowrap !important;filter: blur(0.007em) !important;}')45// left side nav46addStyleTag('#nav-drawer-container, [data-region="drawer"] .list-group-item.active {background:#3a4044;}')47addStyleTag('.list-group-item-action, .list-group-item {color: #B1FF91 !important;background:#3a4044 !important;text-shadow: 0 0 0.15em #1da9cc;white-space: nowrap !important;}')48addStyleTag('.list-group-item span.media-body, {color: #fff !important;text-shadow:none;}')49addStyleTag('.list-group-item > a > span.instancename {font-size: 12px !important;}')50addStyleTag('[data-region="drawer"] .site-menubar-footer a {background:#3a4044 !important;} [data-region="drawer"] .site-menubar-footer a .fa{color:#B1FF91 !important;}')51addStyleTag('#activity-nav .list-group-item a { padding: 8px 16px; }')52//h3.section-title53addStyleTag('h3.section-title {font-weight: 600;font-size: 32px;color: #fff !important;letter-spacing: 0.02em !important;text-shadow: 0 0 0.15em #1da9cc !important;white-space: nowrap !important;}')54addStyleTag('h3.section-title>a:hover {text-decoration: none;}')55// ul.section li56addStyleTag('ul.section > li {border-bottom: 1px #f8edeb solid;} ')57// code58addStyleTag('code {font-family: SFMono-Regular,Consolas, Arial, sans-serif;font-weight: bold ;background: #666;border-radius: 0.5em;white-space: pre;font-size: 16px!important;line-height: 1.75;}')59addStyleTag('.hljs {color: #fff}')60addStyleTag('span.hljs-keyword, span.hljs-number, span.hljs-string {color: #83ba52;}')61// [role="main"] TITLE62//background: linear-gradient(to right, crimson,pink,springgreen);63addStyleTag(' [role="main"] > h2 {filter:none !important;text-shadow: none !important; font-size: 32px; background: linear-gradient(to right, #A2D2FF,#272882,#FF865E,#FEE440); background-size: 200% 200%; animation: rainbow 10s ease-in-out infinite; background-clip: text; -webkit-background-clip:text; color:rgba(0,0,0,0); display:block; text-align:center; transition: color .2s ease-in-out; text-transform:uppercase; font-weight:900;}')64// card bg65addStyleTag('.pagelayout-course .course-content .section.main,.card, .pagelayout-course #section-0 {background: #262a2d !important;}')66addStyleTag('.hljs {background: #1b1b1b !important;}')67// check-box size68addStyleTag('.icon {width: 20px !important;height: 20px}')69// .instancename title70addStyleTag(' .instancename {font-size: 16px!important; color: rgba(255, 255, 255, 0.8) !important;text-shadow: 0 0 0.10em #1da9cc !important;white-space: nowrap !important;filter: blur(0.007em) !important;}')71addStyleTag(' .instancename:hover {font-size: 18px!important;color: rgba(255, 255, 255, 1);text-shadow: 0 0 0.2em #1da9cc;transition: font-size 0.4s ease;}')72addStyleTag(' .activityinstance>a:hover {text-decoration: none;}')73// a:link a:hover74addStyleTag('a:link{color: #fff important;} a:hover {color: #82d4f0;')75//.activity-count76addStyleTag('.course-content .section-summary .section-summary-activities .activity-count {color:#6db467 !important;}')77// question quiz78addStyleTag('.que .content {background: #26343f;} .que .qtext { font-size: 1.25rem;background: #314250;} [data-region="blocks-column"], .bg-white {background: #3a4044 !important;} .nav-tabs .nav-link.active .fa { color: #7eb654!important;}')79// nav80addStyleTag('.nav-tabs .nav-link { color: #5a6970!important;}')81// table82addStyleTag('table, table.generaltable {text-align: left; overflow: hidden; margin: 0 auto; display: table; padding: 0 0 8em 0;} tr:nth-child(odd) { background-color: #323C50; } tr:nth-child(even) { background-color: #2C3446; } td:first-child { color: #FB667A; }')83addStyleTag('table.generaltable tr:nth-child(odd) {color:white; background-color: #277231 !important; } table.generaltable tr:nth-child(even) {color:white; background-color: #305621 !important; } table.quizreviewsummary td.cell,table.quizreviewsummary th.cell {color:inherit;background-color: inherit !important;}')84addStyleTag('tr.bestrow td {color: black !important; font-weight: 600 !important; font-size:1.15rem !important} tr.lastrow td {color: black !important;}')85// select id="jump-to-activity"86// ResetStyle87addStyleTag('#jump-to-activity.custom-select { appearance: none; outline: 0; border: 0; box-shadow: none; flex: 1; padding: 0 1em; color: #fff; background-color: #2c3e50; background-image: none; cursor: pointer;}')88/* Remove IE arrow */89addStyleTag('#jump-to-activity.custom-select::-ms-expand { display: none; }')90/* Custom Select wrapper */...
scrape.js
Source:scrape.js
...97 }98 await page.goto(url, gotoOptions);99 if (addStyleTag.length) {100 for (tag in addStyleTag) {101 await page.addStyleTag(addStyleTag[tag]);102 }103 }104 if (addScriptTag.length) {105 for (script in addScriptTag) {106 await page.addScriptTag(addScriptTag[script]);107 }108 }109 if (waitFor) {110 if (typeof waitFor === 'string') {111 const isSelector = await page.evaluate((s) => {112 try { document.createDocumentFragment().querySelector(s); }113 catch (e) { return false; }114 return true;115 }, waitFor);...
layout-generator-batch.js
Source:layout-generator-batch.js
...32 n.style.setProperty('text-shadow', 'none', 'important')33 }34 });35 });36 await page.addStyleTag({content: 'img{filter: brightness(0) !important; background: black !important}'});37 await page.addStyleTag({content: 'svg{filter: brightness(0) !important; background: black !important}'});38 // await page.addStyleTag({content: 'iframe{filter: brightness(0) !important}'}); // visibility: hidden may be better, iframes are very tricky39 await page.addStyleTag({content: 'iframe{visibility: hidden !important}'});40 await page.addStyleTag({content: '*{color: rgba(0, 0, 0, 0) !important; text-shadow: none !important}'});41 await page.addStyleTag({content: 'ul{list-style: none !important}'});42 await page.addStyleTag({content: '*{animation: none !important;'});43 await page.addStyleTag({content: '*{-webkit-animation: none !important;}'});44 await page.addStyleTag({content: '*{-moz-animation: none !important}'});45 await page.addStyleTag({content: '*{-o-animation: none !important}'});46 await page.waitForTimeout(500); // text/images are sometimes visible without this47 for (let config of info['configs']) {48 await page.setViewportSize({ width: config['width'], height: config['height']});49 await page.screenshot({path: config['layout'], fullPage: true});50 }51 return links;52};53(async () => {54 const uniqueLinks = {};55 for (let [browserName, groupedBatch] of utils.groupBatchByBrowser(batch).entries()) {56 let browserType;57 for (let type of [playwright.chromium, playwright.firefox, playwright.webkit]) {58 if (browserName === type.name()) {59 browserType = type;...
screenshot.js
Source:screenshot.js
...83 await page.goto('http://localhost', gotoOptions);84 }85 if (addStyleTag.length) {86 for (tag in addStyleTag) {87 await page.addStyleTag(addStyleTag[tag]);88 }89 }90 if (addScriptTag.length) {91 for (script in addScriptTag) {92 await page.addScriptTag(addScriptTag[script]);93 }94 }95 if (waitFor) {96 if (typeof waitFor === 'string') {97 const isSelector = await page.evaluate((s) => {98 try { document.createDocumentFragment().querySelector(s); }99 catch (e) { return false; }100 return true;101 }, waitFor);...
pdf.js
Source:pdf.js
...22async function main() {23 const browser = await puppeteer.launch();24 const page = await browser.newPage();25 await page.goto('http://localhost:3001/', {waitUntil: 'networkidle2'});26 await page.mainFrame().addStyleTag({content: css_first_page});27 await page.pdf({28 path: 'first.pdf',29 format: 'A4',30 pageRanges: '1',31 printBackground: true,32 displayHeaderFooter: false,33 });34 await page.mainFrame().addStyleTag({content: css_shrink});35 await page.mainFrame().addStyleTag({content: css_body_page});36 await page.pdf({37 path: 'body.pdf',38 format: 'A4',39 pageRanges: '2-',40 printBackground: true,41 displayHeaderFooter: false,42 /* Header/footer doesn't work properly, doesn't seem to style43 headerTemplate: '<div style="background: blue"></div>',44 footerTemplate,45 */46 /* - clips content, doesn't rerender - inject css instead47 margin: {48 left: '18mm',49 right: '18mm',50 top: '20mm',51 bottom: '20mm'52 }53 */54 });55 await page.goto('http://localhost:3001/footer.html', {waitUntil: 'networkidle2'});56 await page.pdf({57 path: 'footer.pdf',58 format: 'A4',59 pageRanges: '1',60 printBackground: true,61 displayHeaderFooter: false,62 });63 await browser.close();64 spawnSync('pdftk', 'body.pdf background footer.pdf output bodybg.pdf'.split(' '));65 spawnSync('pdftk', 'first.pdf bodybg.pdf cat output david_tulloh.pdf'.split(' '));66 // Clean up67 spawnSync('rm', ['-f', 'first.pdf', 'body.pdf', 'footer.pdf', 'bodybg.pdf']);68 console.log("Generated david_tulloh.pdf");69}70async function us() {71 const browser = await puppeteer.launch();72 const page = await browser.newPage();73 await page.goto('http://localhost:3001/US', {waitUntil: 'networkidle2'});74 await page.mainFrame().addStyleTag({content: css_single_page});75 await page.pdf({76 path: 'david_tulloh_us.pdf',77 format: 'A4',78 pageRanges: '1',79 printBackground: true,80 displayHeaderFooter: false,81 });82 await browser.close();83 console.log("Generated david_tulloh_us.pdf");84}85// Chain, puppeteer seems to occasionally trip over itself in parellel86main()87.then(us)88.then(() => console.log("Generate complete"));
grabber.js
Source:grabber.js
...40 return;41 }42 let pdf_options = {displayHeaderFooter: true, margin: {top: '.75in', bottom: '.75in', left: '.5in', right: '.5in'}, printBackground: true, path: outdir + '/' + filename + '.pdf'}43 if (url.includes('dnainfo.com')) {44 await page.addStyleTag({path: 'tweaks/dnainfo.css'})45 }46 if (url.includes('laweekly.com')) {47 await page.setViewport({width: 500, height: 800})48 pdf_options.scale = .75;49 pdf_options.printBackground = false;50 await page.addStyleTag({path: 'tweaks/laweekly.css'})51 }52 if (url.includes('the-toast.net')) {53 await page.addStyleTag({path: 'tweaks/thetoast.css'})54 await page.setViewport({width:500, height:600});55 }56 if (url.includes('newsweek.com')) {57 await page.addStyleTag({path: 'tweaks/newsweek.css'});58 await page.setViewport({width:500, height: 600});59 pdf_options.scale = .75;60 }61 if (argv.k) {62 await page.addStyleTag({path: 'tweaks/kinja.css'});63 await page.setViewport({width:500, height: 600});64 }65 const height = await page.evaluate(() => document.documentElement.scrollHeight);66 const viewportHeight = await page.viewport().height;67 let viewportIncr = 0;68 while (viewportIncr + viewportHeight < height - 1000) {69 await page.evaluate(_viewportHeight => {70 window.scrollBy(0, _viewportHeight);71 console.log(_viewportHeight);72 }, viewportHeight);73 await timeout(1000);74 viewportIncr = viewportIncr + viewportHeight;75 }76 await timeout(3000);...
content.js
Source:content.js
...73 await page.goto('http://localhost', gotoOptions);74 }75 if (addStyleTag.length) {76 for (tag in addStyleTag) {77 await page.addStyleTag(addStyleTag[tag]);78 }79 }80 if (addScriptTag.length) {81 for (script in addScriptTag) {82 await page.addScriptTag(addScriptTag[script]);83 }84 }85 if (waitFor) {86 if (typeof waitFor === 'string') {87 const isSelector = await page.evaluate((s) => {88 try { document.createDocumentFragment().querySelector(s); }89 catch (e) { return false; }90 return true;91 }, waitFor);...
text-filter.js
Source:text-filter.js
...47 n.style.setProperty('background', 'none' , 'important')48 n.style.setProperty('box-shadow', 'none' , 'important')49 });50 });51 await page.addStyleTag({content: '*{background-color: black !important}'})52 await page.addStyleTag({content: 'svg{filter: brightness(0) !important; background: black !important}'});53 await page.addStyleTag({content: 'iframe{visibility: hidden !important}'});54 await page.addStyleTag({content: 'img{filter: brightness(0) !important; background: black !important}'})55 await page.addStyleTag({content: 'ul{list-style: none !important}'});56 }57 await page.waitForTimeout(1000);58 await page.screenshot({path: 'example.png', fullPage: true});59 await browser.close();...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.addStyleTag({7 content: 'body { background-color: green; }'8 });9 await page.waitForTimeout(5000);10 await browser.close();11})();12const { chromium } = require('playwright');13(async () => {14 const browser = await chromium.launch({ headless: false });15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.addScriptTag({18 });19 await page.waitForTimeout(5000);20 await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch({ headless: false });25 const context = await browser.newContext();26 const page = await context.newPage();27 await page.addScriptTag({28 });29 await page.waitForTimeout(5000);30 await browser.close();31})();32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch({ headless: false });35 const context = await browser.newContext();36 const page = await context.newPage();37 await page.addScriptTag({38 });39 await page.waitForTimeout(5000);40 await browser.close();41})();42const { chromium } = require('playwright');43(async () => {44 const browser = await chromium.launch({ headless: false });45 const context = await browser.newContext();46 const page = await context.newPage();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.addStyleTag({ content: 'body { background-color: green; }' });7 await page.screenshot({ path: 'screenshot.png' });8 await browser.close();9})();10### `addStyleTag(options)`11await page.addStyleTag({ path: './mystyles.css' });12await page.addStyleTag({ content: 'body { background-color: green; }' });13await page.addStyleTag({ content: 'body { background-color: green; }', type: 'application/less' });14[Apache-2.0](LICENSE)
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch({headless: false});4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.addStyleTag({content: 'body {background-color: green;}'});7 await browser.close();8})();9Your name to display (optional):
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.addStyleTag({6 content: 'body { background-color: green; }'7 });8 await page.screenshot({ path: 'example.png' });9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch();14 const page = await browser.newPage();15 await page.addStyleTag({16 });17 await page.screenshot({ path: 'example.png' });18 await browser.close();19})();20const { chromium } = require('playwright');21(async () => {22 const browser = await chromium.launch();23 const page = await browser.newPage();24 await page.addStyleTag({25 });26 await page.screenshot({ path: 'example.png' });27 await browser.close();28})();29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const page = await browser.newPage();33 await page.addScriptTag({34 content: 'console.log(5 + 5);'35 });36 await page.screenshot({ path: 'example.png' });37 await browser.close();38})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.addStyleTag({path: 'style.css'});6 await page.screenshot({ path: 'example.png' });7 await browser.close();8})();
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:
- 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.
- 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.
- 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.
- 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.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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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