Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
How to use placeholder method in Playwright Internal
Best JavaScript code snippet using playwright-internal
jquery.placeholder.js
Source:jquery.placeholder.js 
1/*! http://mths.be/placeholder v2.0.8 by @mathias */2;(function(window, document, $) {3 // Opera Mini v7 doesnât support placeholder although its DOM seems to indicate so4 var isOperaMini = Object.prototype.toString.call(window.operamini) == '[object OperaMini]';5 var isInputSupported = 'placeholder' in document.createElement('input') && !isOperaMini;6 var isTextareaSupported = 'placeholder' in document.createElement('textarea') && !isOperaMini;7 var prototype = $.fn;8 var valHooks = $.valHooks;9 var propHooks = $.propHooks;10 var hooks;11 var placeholder;12 if (isInputSupported && isTextareaSupported) {13 placeholder = prototype.placeholder = function() {14 return this;15 };16 placeholder.input = placeholder.textarea = true;17 } else {18 placeholder = prototype.placeholder = function() {19 var $this = this;20 $this21 .filter((isInputSupported ? 'textarea' : ':input') + '[placeholder]')22 .not('.placeholder')23 .bind({24 'focus.placeholder': clearPlaceholder,25 'blur.placeholder': setPlaceholder26 })27 .data('placeholder-enabled', true)28 .trigger('blur.placeholder');29 return $this;30 };31 placeholder.input = isInputSupported;32 placeholder.textarea = isTextareaSupported;33 hooks = {34 'get': function(element) {35 var $element = $(element);36 var $passwordInput = $element.data('placeholder-password');37 if ($passwordInput) {38 return $passwordInput[0].value;39 }40 return $element.data('placeholder-enabled') && $element.hasClass('placeholder') ? '' : element.value;41 },42 'set': function(element, value) {43 var $element = $(element);44 var $passwordInput = $element.data('placeholder-password');45 if ($passwordInput) {46 return $passwordInput[0].value = value;47 }48 if (!$element.data('placeholder-enabled')) {49 return element.value = value;50 }51 if (value == '') {52 element.value = value;53 // Issue #56: Setting the placeholder causes problems if the element continues to have focus.54 if (element != safeActiveElement()) {55 // We can't use `triggerHandler` here because of dummy text/password inputs :(56 setPlaceholder.call(element);57 }58 } else if ($element.hasClass('placeholder')) {59 clearPlaceholder.call(element, true, value) || (element.value = value);60 } else {61 element.value = value;62 }63 // `set` can not return `undefined`; see http://jsapi.info/jquery/1.7.1/val#L236364 return $element;65 }66 };67 if (!isInputSupported) {68 valHooks.input = hooks;69 propHooks.value = hooks;70 }71 if (!isTextareaSupported) {72 valHooks.textarea = hooks;73 propHooks.value = hooks;74 }75 $(function() {76 // Look for forms77 $(document).delegate('form', 'submit.placeholder', function() {78 // Clear the placeholder values so they don't get submitted79 var $inputs = $('.placeholder', this).each(clearPlaceholder);80 setTimeout(function() {81 $inputs.each(setPlaceholder);82 }, 10);83 });84 });85 // Clear placeholder values upon page reload86 $(window).bind('beforeunload.placeholder', function() {87 $('.placeholder').each(function() {88 this.value = '';89 });90 });91 }92 function args(elem) {93 // Return an object of element attributes94 var newAttrs = {};95 var rinlinejQuery = /^jQuery\d+$/;96 $.each(elem.attributes, function(i, attr) {97 if (attr.specified && !rinlinejQuery.test(attr.name)) {98 newAttrs[attr.name] = attr.value;99 }100 });101 return newAttrs;102 }103 function clearPlaceholder(event, value) {104 var input = this;105 var $input = $(input);106 if (input.value == $input.attr('placeholder') && $input.hasClass('placeholder')) {107 if ($input.data('placeholder-password')) {108 $input = $input.hide().next().show().attr('id', $input.removeAttr('id').data('placeholder-id'));109 // If `clearPlaceholder` was called from `$.valHooks.input.set`110 if (event === true) {111 return $input[0].value = value;112 }113 $input.focus();114 } else {115 input.value = '';116 $input.removeClass('placeholder');117 input == safeActiveElement() && input.select();118 }119 }120 }121 function setPlaceholder() {122 var $replacement;123 var input = this;124 var $input = $(input);125 var id = this.id;126 if (input.value == '') {127 if (input.type == 'password') {128 if (!$input.data('placeholder-textinput')) {129 try {130 $replacement = $input.clone().attr({ 'type': 'text' });131 } catch(e) {132 $replacement = $('<input>').attr($.extend(args(this), { 'type': 'text' }));133 }134 $replacement135 .removeAttr('name')136 .data({137 'placeholder-password': $input,138 'placeholder-id': id139 })140 .bind('focus.placeholder', clearPlaceholder);141 $input142 .data({143 'placeholder-textinput': $replacement,144 'placeholder-id': id145 })146 .before($replacement);147 }148 $input = $input.removeAttr('id').hide().prev().attr('id', id).show();149 // Note: `$input[0] != input` now!150 }151 $input.addClass('placeholder');152 $input[0].value = $input.attr('placeholder');153 } else {154 $input.removeClass('placeholder');155 }156 }157 function safeActiveElement() {158 // Avoid IE9 `document.activeElement` of death159 // https://github.com/mathiasbynens/jquery-placeholder/pull/99160 try {161 return document.activeElement;162 } catch (exception) {}163 }...
foundation.placeholder.js
Source:foundation.placeholder.js
...149 init : function (scope, method, options) {150 this.scope = scope || this.scope;151 if (typeof method !== 'string') {152 window.onload = function () {153 $('input, textarea').placeholder();154 }155 }156 }157 };...
tests.js
Source:tests.js
...9 }10 var testElement = function($el) {11 var el = $el[0];12 var placeholder = el.getAttribute('placeholder');13 strictEqual($el.placeholder(), $el, 'should be chainable');14 strictEqual(el.value, placeholder, 'should set `placeholder` text as `value`');15 strictEqual($el.prop('value'), '', 'propHooks works properly');16 strictEqual($el.val(), '', 'valHooks works properly');17 ok($el.hasClass('placeholder'), 'should have `placeholder` class');18 // test on focus19 $el.focus();20 strictEqual(el.value, '', '`value` should be the empty string on focus');21 strictEqual($el.prop('value'), '', 'propHooks works properly');22 strictEqual($el.val(), '', 'valHooks works properly');23 ok(!$el.hasClass('placeholder'), 'should not have `placeholder` class on focus');24 // and unfocus (blur) again25 $el.blur();26 strictEqual(el.value, placeholder, 'should set `placeholder` text as `value`');27 strictEqual($el.prop('value'), '', 'propHooks works properly');28 strictEqual($el.val(), '', 'valHooks works properly');29 ok($el.hasClass('placeholder'), 'should have `placeholder` class');30 // change the value31 $el.val('lorem ipsum');32 strictEqual($el.prop('value'), 'lorem ipsum', '`$el.val(string)` should change the `value` property');33 strictEqual(el.value, 'lorem ipsum', '`$el.val(string)` should change the `value` attribute');34 ok(!$el.hasClass('placeholder'), '`$el.val(string)` should remove `placeholder` class');35 // and clear it again36 $el.val('');37 strictEqual($el.prop('value'), '', '`$el.val("")` should change the `value` property');38 strictEqual(el.value, placeholder, '`$el.val("")` should change the `value` attribute');39 ok($el.hasClass('placeholder'), '`$el.val("")` should re-enable `placeholder` class');40 // make sure the placeholder property works as expected.41 strictEqual($el.prop('placeholder'), placeholder, '$el.prop(`placeholder`) should return the placeholder value');42 $el.prop('placeholder', 'new placeholder');43 strictEqual($el.prop('placeholder'), 'new placeholder', '$el.prop(`placeholder`, <string>) should set the placeholder value');44 strictEqual($el.value, 'new placeholder', '$el.prop(`placeholder`, <string>) should update the displayed placeholder value');45 $el.prop('placeholder', placeholder);46 };47 test('emulates placeholder for <input type=text>', function() {48 testElement( $('#input-type-text') );49 });50 test('emulates placeholder for <input type=search>', function() {51 testElement( $('#input-type-search') );52 });53 test('emulates placeholder for <input type=email>', function() {54 testElement( $('#input-type-email') );55 });56 test('emulates placeholder for <input type=url>', function() {57 testElement( $('#input-type-url') );58 });59 test('emulates placeholder for <input type=tel>', function() {60 testElement( $('#input-type-tel') );61 });62 test('emulates placeholder for <input type=tel>', function() {63 testElement( $('#input-type-tel') );64 });65 test('emulates placeholder for <input type=password>', function() {66 var selector = '#input-type-password';67 var $el = $(selector);68 var el = $el[0];69 var placeholder = el.getAttribute('placeholder');70 strictEqual($el.placeholder(), $el, 'should be chainable');71 // Re-select the element, as it gets replaced by another one in some browsers72 $el = $(selector);73 el = $el[0];74 strictEqual(el.value, placeholder, 'should set `placeholder` text as `value`');75 strictEqual($el.prop('value'), '', 'propHooks works properly');76 strictEqual($el.val(), '', 'valHooks works properly');77 ok($el.hasClass('placeholder'), 'should have `placeholder` class');78 // test on focus79 $el.focus();80 // Re-select the element, as it gets replaced by another one in some browsers81 $el = $(selector);82 el = $el[0];83 strictEqual(el.value, '', '`value` should be the empty string on focus');84 strictEqual($el.prop('value'), '', 'propHooks works properly');...
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.fill('input[placeholder="Search"]', 'placeholder');7 await page.screenshot({ path: `placeholder.png` });8 await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 const page = await context.newPage();15 await page.fill('input[aria-label="Search"]', 'aria-label');16 await page.screenshot({ path: `aria-label.png` });17 await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 const page = await context.newPage();24 await page.fill('input[aria-labelledby="search"]', 'aria-labelledby');25 await page.screenshot({ path: `aria-labelledby.png` });26 await browser.close();27})();28const { chromium } = require('playwright');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 const page = await context.newPage();33 await page.fill('input[aria-labelledby="search"]', 'aria-labelledby');34 await page.screenshot({ path: `aria-labelledby.png` });35 await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39 const browser = await chromium.launch();40 const context = await browser.newContext();41 const page = await context.newPage();42 await page.fill('input[aria-labelledby="search"]', 'aria-labelledby');
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.fill('input[placeholder="Search"]', 'Hello World');7 await page.click('input[type="submit"]');8 await page.waitForLoadState('networkidle');9 await browser.close();10})();
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.screenshot({ path: `example.png` });7 await browser.close();8})();9const { chromium } = require('playwright');10module.exports = {11 use: {12 viewport: { width: 1280, height: 720 },13 launchOptions: {14 executablePath: chromium.executablePath(),15 }16 }17};18const { chromium } = require('playwright');19module.exports = {20 use: {21 viewport: { width: 1280, height: 720 },22 launchOptions: {23 executablePath: chromium.executablePath(),24 }25 }26};27const { chromium } = require('playwright');28module.exports = {29 use: {30 viewport: { width: 1280, height: 720 },31 launchOptions: {32 executablePath: chromium.executablePath(),33 }34 }35};36const { chromium } = require('playwright');37module.exports = {38 use: {39 viewport: { width: 1280, height: 720 },
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.click('text=Get started');7 await page.click('text=Docs');8 await page.click('text=API');9 await page.click('text=class Page');10 await page.click('text=click');11 await page.click('text=Parameters');12 await page.click('text=selector');13 await page.click('text=string');14 await page.click('text=Options');15 await page.click('text=force');16 await page.click('text=boolean');17 await page.click('text=timeout');18 await page.click('text=number');19 await page.click('text=stabilize');20 await page.click('text=boolean');21 await page.click('text=position');22 await page.click('text=Position');23 await page.click('text=button');24 await page.click('text=left');25 await page.click('text=middle');26 await page.click('text=right');27 await page.click('text=offset');28 await page.click('text=Point');29 await page.click('text=modifiers');30 await page.click('text=Array<string>');31 await page.click('text=Signal');32 await page.click('text=Example');33 await page.click('text=page.click(“#box”);');34 await page.click('text=page.click(“#box”, {force: true});');35 await page.click('text=page.click(“#box”, {button: “right”});');36 await page.click('text=page.click(“#box”, {delay: 1000});');37 await page.click('text=page.click(“#box”, {clickCount: 2});');38 await page.click('text=page.click(“#box”, {position: {x: 10, y: 10}});');39 await page.click('text=page.click(“#box”, {modifiers: [“Shift”]});');40 await page.click('text=page.click(“#box”, {timeout: 5000});');41 await page.click('text=page.click(“#box”,
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 const elementHandle = await page.$('input');7 await elementHandle.press('ArrowDown');8 await browser.close();9})();10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 const page = await context.newPage();15 const elementHandle = await page.$('input');16 await elementHandle.press('ArrowDown');17 await browser.close();18})();19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 const page = await context.newPage();24 const elementHandle = await page.$('input');25 await elementHandle.press('ArrowDown');26 await browser.close();27})();28const { chromium } = require('playwright');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 const page = await context.newPage();33 const elementHandle = await page.$('input');34 await elementHandle.press('ArrowDown');35 await browser.close();36})();37const { chromium } = require('playwright');38(async () => {39 const browser = await chromium.launch();40 const context = await browser.newContext();41 const page = await context.newPage();42 const elementHandle = await page.$('input');43 await elementHandle.press('ArrowDown');44 await browser.close();45})();46const { chromium } = require('playwright');47(async () => {48 const browser = await chromium.launch();49 const context = await browser.newContext();50 const page = await context.newPage();51 const elementHandle = await page.$('input');52 await elementHandle.press('ArrowDown');53 await browser.close();54})();55const { chromium } = require('playwright');56(async () => {57 const browser = await chromium.launch();
Using AI Code Generation
1const { chromium, firefox, webkit } = 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.click('#gb > div.gb_Kc.gb_8c.gb_R > div > div.gb_9c.gb_Ac > a');7 await page.screenshot({ path: `example.png` });8 await browser.close();9})();10const { chromium, firefox, webkit } = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 const page = await context.newPage();15 await page.click('#gb > div.gb_Kc.gb_8c.gb_R > div > div.gb_9c.gb_Ac > a');16 await page.screenshot({ path: `example.png` });17 await browser.close();18})();19const { chromium, firefox, webkit } = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 const page = await context.newPage();24 await page.click('#gb > div.gb_Kc.gb_8c.gb_R > div > div.gb_9c.gb_Ac > a');25 await page.screenshot({ path: `example.png` });26 await browser.close();27})();28const { chromium, firefox, webkit } = require('playwright');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 const page = await context.newPage();33 await page.click('#gb > div.gb_Kc.gb_8c.gb_R > div > div.gb_9c.gb_Ac > a');34 await page.screenshot({ path: `example.png` });35 await browser.close();36})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false, slowMo: 500 });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.fill('input[name="q"]', 'Playwright');7 await page.click('input[name="btnK"]');8 await page.waitForSelector('text=Playwright - Google Search');9 await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13 const browser = await chromium.launch({ headless: false, slowMo: 500 });14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.fill('input[name="q"]', 'Playwright');17 await page.click('input[name="btnK"]');18 await page.waitForSelector('text=Playwright - Google Search');19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch({ headless: false, slowMo: 500 });24 const context = await browser.newContext();25 const page = await context.newPage();26 await page.fill('input[name="q"]', 'Playwright');27 await page.click('input[name="btnK"]');28 await page.waitForSelector('text=Playwright - Google Search');29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch({ headheadless: false, slowMo: 500 });34 const context = await browser.newContext();35 const page = await context.newPage();36 await page.fill('input[name="q"]', 'Playwright');37 await page.click('input[name="btnK"]');38 await page.waitForSelector('text=Playwright - Google Search');39 await browser.close();40})();
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.click('text=I agree');6 await page.fill('[name="q"]', 'Playwright');7 await page.click('input[type="submit"]');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.click('text="I agree"');16 await page.fill('[name="q"]', 'Playwright');17 await page.click('input[type="submit"]');18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();
Using AI Code Generation
1const { test, expect } = require('@playwright/test');2test('test', async ({ page }) => {3 await page.click('text=Get started');4 await page.click('text=Docs');5 await page.click('text=API');6 await page.click('text=class: Page');7 await page.click('text=click');8 const element = await page.$('text=click');9 await element.scrollIntoViewIfNeeded();10 await page.click('text=click');11 const element2 = await page.$('text=click');12 await element2.scrollIntoViewIfNeeded();13 await page.click('text=click');14 const element3 = await page.$('text=click');15 await element3.scrollIntoViewIfNeeded();16 await page.click('text=click');17 const element4 = await page.$('text=click');18 await element4.scrollIntoViewIfNeeded();19 await page.click('text=click');20 const element5 = await page.$('text=click');21 await element5.scrollIntoViewIfNeeded();22 await page.click('text=click');23 const element6 = await page.$('text=click');24 await element6.scrollIntoViewIfNeeded();25 await page.click('text=click');26 const element7 = await page.$('text=click');27 await element7.scrollIntoViewIfNeeded();28 await page.click('text=click');29 const element8 = await page.$('text=click');30 await element8.scrollIntoViewIfNeeded();31 await page.click('text=click');32 const element9 = await page.$('text=click');33 await element9.scrollIntoViewIfNeeded();34 await page.click('text=click');35 const element10 = await page.$('text=click');36 await element10.scrollIntoViewIfNeeded();37 await page.click('text=click');38 const element11 = await page.$('text=click');39 await element11.scrollIntoViewIfNeeded();40 await page.click('text=click');41 const element12 = await page.$('text=click');42 await element12.scrollIntoViewIfNeeded();43 await page.click('text=click');44 const element13 = await page.$('text=click');45 await element13.scrollIntoViewIfNeeded();46 await page.click('text=click');47 const element14 = await page.$('text=click');
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.
Run Playwright Internal 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?
