How to use setValueForProperty method in Playwright Internal

Best JavaScript code snippet using playwright-internal

DOMPropertyOperations-test.js

Source: DOMPropertyOperations-test.js Github

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...147 stubInstance = {_debugID: 1};148 ReactDOMComponentTree.precacheNode(stubInstance, stubNode);149 });150 it('should set values as properties by default', () => {151 DOMPropertyOperations.setValueForProperty(stubNode, 'title', 'Tip!');152 expect(stubNode.title).toBe('Tip!');153 });154 it('should set values as attributes if necessary', () => {155 DOMPropertyOperations.setValueForProperty(stubNode, 'role', '#');156 expect(stubNode.getAttribute('role')).toBe('#');157 expect(stubNode.role).toBeUndefined();158 });159 it('should set values as namespace attributes if necessary', () => {160 spyOn(stubNode, 'setAttributeNS');161 DOMPropertyOperations.setValueForProperty(162 stubNode,163 'xlinkHref',164 'about:blank'165 );166 expect(stubNode.setAttributeNS.calls.count()).toBe(1);167 expect(stubNode.setAttributeNS.calls.argsFor(0))168 .toEqual(['http:/​/​www.w3.org/​1999/​xlink', 'xlink:href', 'about:blank']);169 });170 it('should set values as boolean properties', () => {171 DOMPropertyOperations.setValueForProperty(stubNode, 'disabled', 'disabled');172 expect(stubNode.getAttribute('disabled')).toBe('');173 DOMPropertyOperations.setValueForProperty(stubNode, 'disabled', true);174 expect(stubNode.getAttribute('disabled')).toBe('');175 DOMPropertyOperations.setValueForProperty(stubNode, 'disabled', false);176 expect(stubNode.getAttribute('disabled')).toBe(null);177 });178 it('should convert attribute values to string first', () => {179 /​/​ Browsers default to this behavior, but some test environments do not.180 /​/​ This ensures that we have consistent behavior.181 var obj = {182 toString: function() {183 return '<html>';184 },185 };186 DOMPropertyOperations.setValueForProperty(stubNode, 'role', obj);187 expect(stubNode.getAttribute('role')).toBe('<html>');188 });189 it('should not remove empty attributes for special properties', () => {190 stubNode = document.createElement('input');191 ReactDOMComponentTree.precacheNode(stubInstance, stubNode);192 DOMPropertyOperations.setValueForProperty(stubNode, 'value', '');193 /​/​ JSDOM does not behave correctly for attributes/​properties194 /​/​expect(stubNode.getAttribute('value')).toBe('');195 expect(stubNode.value).toBe('');196 });197 it('should remove for falsey boolean properties', () => {198 DOMPropertyOperations.setValueForProperty(199 stubNode,200 'allowFullScreen',201 false202 );203 expect(stubNode.hasAttribute('allowFullScreen')).toBe(false);204 });205 it('should remove when setting custom attr to null', () => {206 DOMPropertyOperations.setValueForProperty(207 stubNode,208 'data-foo',209 'bar'210 );211 expect(stubNode.hasAttribute('data-foo')).toBe(true);212 DOMPropertyOperations.setValueForProperty(213 stubNode,214 'data-foo',215 null216 );217 expect(stubNode.hasAttribute('data-foo')).toBe(false);218 });219 it('should use mutation method where applicable', () => {220 var foobarSetter = jest.fn();221 /​/​ inject foobar DOM property222 DOMProperty.injection.injectDOMPropertyConfig({223 Properties: {foobar: null},224 DOMMutationMethods: {225 foobar: foobarSetter,226 },227 });228 DOMPropertyOperations.setValueForProperty(229 stubNode,230 'foobar',231 'cows say moo'232 );233 expect(foobarSetter.mock.calls.length).toBe(1);234 expect(foobarSetter.mock.calls[0][0]).toBe(stubNode);235 expect(foobarSetter.mock.calls[0][1]).toBe('cows say moo');236 });237 it('should set className to empty string instead of null', () => {238 DOMPropertyOperations.setValueForProperty(239 stubNode,240 'className',241 'selected'242 );243 expect(stubNode.className).toBe('selected');244 DOMPropertyOperations.setValueForProperty(245 stubNode,246 'className',247 null248 );249 /​/​ className should be '', not 'null' or null (which becomes 'null' in250 /​/​ some browsers)251 expect(stubNode.className).toBe('');252 expect(stubNode.getAttribute('class')).toBe(null);253 });254 it('should remove property properly for boolean properties', () => {255 DOMPropertyOperations.setValueForProperty(256 stubNode,257 'hidden',258 true259 );260 expect(stubNode.hasAttribute('hidden')).toBe(true);261 DOMPropertyOperations.setValueForProperty(262 stubNode,263 'hidden',264 false265 );266 expect(stubNode.hasAttribute('hidden')).toBe(false);267 });268 it('should remove property properly even with different name', () => {269 /​/​ Suppose 'foobar' is a property that corresponds to the underlying270 /​/​ 'className' property:271 DOMProperty.injection.injectDOMPropertyConfig({272 Properties: {foobar: DOMProperty.injection.MUST_USE_PROPERTY},273 DOMPropertyNames: {274 foobar: 'className',275 },276 DOMAttributeNames: {277 foobar: 'class',278 },279 });280 DOMPropertyOperations.setValueForProperty(281 stubNode,282 'foobar',283 'selected'284 );285 expect(stubNode.className).toBe('selected');286 DOMPropertyOperations.setValueForProperty(287 stubNode,288 'foobar',289 null290 );291 /​/​ className should be '', not 'null' or null (which becomes 'null' in292 /​/​ some browsers)293 expect(stubNode.className).toBe('');294 });295 });296 describe('deleteValueForProperty', () => {297 var stubNode;298 var stubInstance;299 beforeEach(() => {300 stubNode = document.createElement('div');301 stubInstance = {_debugID: 1};302 ReactDOMComponentTree.precacheNode(stubInstance, stubNode);303 });304 it('should remove attributes for normal properties', () => {305 DOMPropertyOperations.setValueForProperty(stubNode, 'title', 'foo');306 expect(stubNode.getAttribute('title')).toBe('foo');307 expect(stubNode.title).toBe('foo');308 DOMPropertyOperations.deleteValueForProperty(stubNode, 'title');309 expect(stubNode.getAttribute('title')).toBe(null);310 /​/​ JSDOM does not behave correctly for attributes/​properties311 /​/​expect(stubNode.title).toBe('');312 });313 it('should not remove attributes for special properties', () => {314 stubNode = document.createElement('input');315 ReactDOMComponentTree.precacheNode(stubInstance, stubNode);316 stubNode.setAttribute('value', 'foo');317 DOMPropertyOperations.deleteValueForProperty(stubNode, 'value');318 /​/​ JSDOM does not behave correctly for attributes/​properties319 /​/​expect(stubNode.getAttribute('value')).toBe('foo');...

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Using AI Code Generation

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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.click('input[name="search"]');7 await page.keyboard.type('Hello World');8 await page.keyboard.press('Enter');9 await page.screenshot({ path: `example.png` });10 await browser.close();11})();

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('input[name="q"]');8 await setValueForProperty(page, 'input[name="q"]', 'Hello World');9 await page.keyboard.press('Enter');10 await page.waitForNavigation();11 await page.screenshot({ path: `example.png` });12 await browser.close();13})();

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.evaluate(setValueForProperty, 'input[name=q]', 'value', 'foo');8 await page.screenshot({ path: `example.png` });9 await browser.close();10})();11const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');12const { chromium } = require('playwright');13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 await page.evaluate(setValueForProperty, 'input[name=q]', 'value', 'foo');18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();21const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch();25 const context = await browser.newContext();26 const page = await context.newPage();27 await page.evaluate(setValueForProperty, 'input[name=q]', 'value', 'foo');28 await page.screenshot({ path: `example.png` });29 await browser.close();30})();31const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch();35 const context = await browser.newContext();36 const page = await context.newPage();37 await page.evaluate(setValueForProperty, 'input[name=q]', 'value', 'foo');38 await page.screenshot({ path: `example.png` });39 await browser.close();40})();

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 const input = await page.$('[name="q"]');7 await setValueForProperty(input, 'value', 'playwright');8 await page.screenshot({ path: 'screenshot.png' });9 await browser.close();10})();11const { setAttribute } = require('playwright/​lib/​server/​dom.js');12const { chromium } = require('playwright');13(async () => {14 const browser = await chromium.launch();15 const page = await browser.newPage();16 const input = await page.$('[name="q"]');17 await setAttribute(input, 'value', 'playwright');18 await page.screenshot({ path: 'screenshot.png' });19 await browser.close();20})();21const { setProperty } = require('playwright/​lib/​server/​dom.js');22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch();25 const page = await browser.newPage();26 const input = await page.$('[name="q"]');27 await setProperty(input, 'value', 'playwright');28 await page.screenshot({ path: 'screenshot.png' });29 await browser.close();30})();31const { setInnerHtml } = require('playwright/​lib/​server/​dom.js');32const { chromium } = require('playwright');33(async () => {34 const browser = await chromium.launch();35 const page = await browser.newPage();36 const input = await page.$('[name="q"]');37 await setInnerHtml(input, 'playwright');38 await page.screenshot({ path: 'screenshot.png' });39 await browser.close();40})();41const { setInnerText } = require('playwright/​lib/​server/​dom.js');42const { chromium } = require('playwright');43(async () => {

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.evaluate(() => {6 const input = document.querySelector('input[name="q"]');7 input.value = 'test';8 });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.evaluate(() => {16 const input = document.querySelector('input[name="q"]');17 input.value = 'test';18 });19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const page = await browser.newPage();25 await page.evaluate(() => {26 const input = document.querySelector('input[name="q"]');27 input.value = 'test';28 });29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch();34 const page = await browser.newPage();35 await page.evaluate(() => {36 const input = document.querySelector('input[name="q"]');37 input.value = 'test';38 });39 await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43 const browser = await chromium.launch();44 const page = await browser.newPage();45 await page.evaluate(() => {46 const input = document.querySelector('input[name="q"]');47 input.value = 'test';48 });49 await browser.close();50})();51const { chromium } = require('playwright');52(async () => {53 const browser = await chromium.launch();54 const page = await browser.newPage();55 await page.evaluate(() => {

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Using AI Code Generation

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1const { setValueForProperty } = require('@playwright/​test/​lib/​server/​dom.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const element = await page.$('input[name="q"]');8 await setValueForProperty(element, 'value', 'test');9 await page.screenshot({ path: 'test.png' });10 await browser.close();11})();

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright');2setValueForProperty(elementHandle, 'value', 'new value');3const { setValueForProperty } = require('playwright');4setValueForProperty(elementHandle, 'value', 'new value');5const { setValueForProperty } = require('playwright');6setValueForProperty(elementHandle, 'value', 'new value');7const { setValueForProperty } = require('playwright');8setValueForProperty(elementHandle, 'value', 'new value');9const { setValueForProperty } = require('playwright');10setValueForProperty(elementHandle, 'value', 'new value');11const { setValueForProperty } = require('playwright');12setValueForProperty(elementHandle, 'value', 'new value');13const { setValueForProperty } = require('playwright');14setValueForProperty(elementHandle, 'value', 'new value');15const { setValueForProperty } = require('playwright');16setValueForProperty(elementHandle, 'value', 'new value');17const { setValueForProperty } = require('playwright');18setValueForProperty(elementHandle, 'value', 'new value');19const { setValueForProperty } = require('playwright');20setValueForProperty(elementHandle, 'value', 'new value');21const { setValueForProperty } = require('playwright');22setValueForProperty(elementHandle, 'value', 'new value');23const { setValueForProperty } = require('playwright');24setValueForProperty(elementHandle, 'value', 'new value');25const { setValueForProperty } = require('playwright');26setValueForProperty(elementHandle, 'value', 'new value');

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Using AI Code Generation

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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 handle = await page.evaluateHandle(() => document.querySelector('header'));7 await page.setValueForProperty(handle, 'innerHTML', 'My custom header');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 context = await browser.newContext();15 const page = await context.newPage();16 const handle = await page.evaluateHandle(() => document.querySelector('header'));17 await page.setValueForProperty(handle, 'innerHTML', 'My custom header');18 await page.screenshot({ path: `example.png` });19 await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23 const browser = await chromium.launch();24 const context = await browser.newContext();25 const page = await context.newPage();26 const handle = await page.evaluateHandle(() => document.querySelector('header'));27 await page.setValueForProperty(handle, 'innerHTML', 'My custom header');28 await page.screenshot({ path: `example.png` });29 await browser.close();30})();31const { chromium } = require('playwright');32(async () => {

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');2const { Page } = require('playwright/​lib/​server/​page.js');3const page = new Page(null, null, null);4const element = page.mainFrame().document().querySelector('input[type="text"]');5setValueForProperty(element, 'value', 'New Value');6const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');7const { Page } = require('playwright/​lib/​server/​page.js');8const page = new Page(null, null, null);9const element = page.mainFrame().document().querySelector('input[type="text"]');10setValueForProperty(element, 'value', 'New Value');11const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');12const { Page } = require('playwright/​lib/​server/​page.js');13const page = new Page(null, null, null);14const element = page.mainFrame().document().querySelector('input[type="text"]');15setValueForProperty(element, 'value', 'New Value');16const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');17const { Page } = require('playwright/​lib/​server/​page.js');18const page = new Page(null, null, null);19const element = page.mainFrame().document().querySelector('input[type="text"]');20setValueForProperty(element, 'value', 'New Value');21const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');22const { Page } = require('playwright/​lib/​server/​page.js');23const page = new Page(null, null, null);24const element = page.mainFrame().document().querySelector('input[type="text"]');25setValueForProperty(element, 'value', 'New Value');26const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');27const { Page } = require('playwright/​lib/​server/​page.js');28const page = new Page(null, null, null);29const element = page.mainFrame().document().querySelector('input[type="text"]');30setValueForProperty(element, 'value', 'New Value');

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Using AI Code Generation

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1const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');2const element = await page.$('#myElement');3await setValueForProperty(element, 'value', 'someValue');4await element.press('Enter');5const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');6const element = await page.$('#myElement');7await setValueForProperty(element, 'value', 'someValue');8await element.press('Enter');9const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');10const element = await page.$('#myElement');11await setValueForProperty(element, 'value', 'someValue');12await element.press('Enter');13const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');14const element = await page.$('#myElement');15await setValueForProperty(element, 'value', 'someValue');16await element.press('Enter');17const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');18const element = await page.$('#myElement');19await setValueForProperty(element, 'value', 'someValue');20await element.press('Enter');21const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');22const element = await page.$('#myElement');23await setValueForProperty(element, 'value', 'someValue');24await element.press('Enter');25const { setValueForProperty } = require('playwright/​lib/​server/​dom.js');26const element = await page.$('#myElement');

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StackOverFlow community discussions

Questions
Discussion

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

How to run a list of test suites in a single file concurrently in jest?

Running Playwright in Azure Function

firefox browser does not start in playwright

This question is quite close to a "need more focus" question. But let's try to give it some focus:

Does Playwright has access to the cPicker object on the page? Does it has access to the window object?

Yes, you can access both cPicker and the window object inside an evaluate call.

Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?

Exactly, or you can assign values to a javascript variable:

const cPicker = new ColorPicker({
  onClickOutside(e){
  },
  onInput(color){
    window['color'] = color;
  },
  onChange(color){
    window['result'] = color;
  }
})

And then

it('Should call all callbacks with correct arguments', async() => {
    await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})

    // Wait until the next frame
    await page.evaluate(() => new Promise(requestAnimationFrame))

    // Act
   
    // Assert
    const result = await page.evaluate(() => window['color']);
    // Check the value
})
https://stackoverflow.com/questions/65477895/jest-playwright-test-callbacks-of-event-based-dom-library

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