How to use setJavaScriptEnabled method in Puppeteer

Best JavaScript code snippet using puppeteer

plugin-activation.test.js

Source:plugin-activation.test.js

...74		} );75		it( 'Should not display plugin html', async () => {76			// Disabling JavaScript in `beforeEach` breaks utility functions.77			// Each test without JavaScript must use78			// `await page.setJavaScriptEnabled( false );` and79			// `await page.setJavaScriptEnabled( true );` in the test itself.80			await page.setJavaScriptEnabled( false );81			await activatePlugin( 'google-site-kit' );82			await expect( page ).toMatchElement( '[id^=js-googlesitekit-]', { visible: false } );83			await expect( page ).not.toMatchElement( '.googlesitekit-activation__title' );84			await deactivatePlugin( 'google-site-kit' );85			await page.setJavaScriptEnabled( true );86		} );87		it( 'Should display noscript notice', async () => {88			await page.setJavaScriptEnabled( false );89			await activatePlugin( 'google-site-kit' );90			await expect( page ).toMatchElement(91				'.googlesitekit-noscript__text',92				{ text: /The Site Kit by Google plugin requires JavaScript to be enabled in your browser./i },93				{ visible: true }94			);95			await deactivatePlugin( 'google-site-kit' );96			await page.setJavaScriptEnabled( true );97		} );98	} );...

pdf.js

Source:pdf.js

...74  if (setExtraHTTPHeaders) {75    await page.setExtraHTTPHeaders(setExtraHTTPHeaders);76  }77  if (setJavaScriptEnabled !== null) {78    await page.setJavaScriptEnabled(setJavaScriptEnabled);79  }80  if (rejectRequestPattern.length || requestInterceptors.length) {81    await page.setRequestInterception(true);82    page.on('request', (req) => {83      if (rejectRequestPattern.find((pattern) => req.url().match(pattern))) {84        return req.abort();85      }86      const interceptor = requestInterceptors87        .find(r => req.url().match(r.pattern));88      if (interceptor) {89        return req.respond(interceptor.response);90      }91      return req.continue();92    });...

render_pdf.js

Source:render_pdf.js

1let puppeteer = require('puppeteer');2let check_options = () => {3}4let fallback_html = `5  <div>No <pre>{ html_body }</pre> provided!</div>6`7let create_browser = async () => {8  return await puppeteer.launch({9    // No sandbox: living on the (heroku) edge10    args: ['--no-sandbox', '--disable-setuid-sandbox'],11  });12}13let create_page = async (browser) => {14  let page = await browser.newPage();15  page.on('pageerror', (err) => {16    console.log('Error on page:', err)17  });18  return page;19}20let render_pdf = async (load_page, options = {}, cache) => {21  await check_options(options);22  console.log('\n\n>> NEW REQUEST');23  console.time('retrieve browser and page');24  cache.pages = null;25  cache.browser = cache.browser || await create_browser();26  // cache.pages = cache.pages || [await create_page(cache.browser)];27  // let page = cache.pages[0];28  let page = await create_page(cache.browser);29  console.timeEnd('retrieve browser and page');30  try {31    // NOTE This suddenly stopped working... ?32    if (page.setJavascriptEnabled) {33      await page.setJavascriptEnabled(false);34    } else {35      console.log('WARN: setJavascriptEnabled not found (huh)... insecure!');36    }37    if (page.setCacheEnabled) {38      await page.setCacheEnabled(false);39    } else {40      console.log('WARN: setCacheEnabled not found (huh)... insecure!');41    }42    console.time('loadpage');43    // await page.reload({ waitUntil: 'networkidle0' });44    await load_page(page);45    console.timeEnd('loadpage');46    console.time('pdf');47    console.log(`options:`, options)48    let default_margin = { top: '50px', bottom: '50px', left: '50px', right: '50px' };49    let pdf_buffer = await page.pdf({50      printBackground: true,51      pageRanges: '1',52      format: 'A4',53      ...options,54      margin: { ...default_margin, ...options.margin },55    });56    console.timeEnd('pdf');57    return pdf_buffer;58  } finally {59    page.close();60  }61}62let load_html = (html_body) => async (page) => {63  await page.goto(`data:text/html,<html>${html_body}</html>`, {64    timeout: 5000,65  });66}67let load_url = (url) => async (page) => {68  await page.goto(url, {69    timeout: 15000, // increased for large PDF's70  });71}72let render_from_url = async (req, res, cache) => {73  try {74    console.time('FULL RENDER');75    let { url, pdf_options, filename } = req.body;76    res.set({77      "Content-Transfer-Encoding": "Binary",78      'Content-Type': 'application/octet-stream',79      "Content-disposition": `attachment; filename="${filename || 'report.pdf'}"`80    });81    res.end(await render_pdf(load_url(url), pdf_options, cache));82    console.timeEnd('FULL RENDER');83  } catch (render_err) {84    console.error(`Error during \`render_pdf(req, res)\``);85    console.error(render_err);86    res.end('Sorry')87  }88}89let render_response = async (req, res, cache) => {90  try {91    console.time('FULL RENDER');92    let { html_body = fallback_html, pdf_options, filename } = req.body;93    res.set({94      "Content-Transfer-Encoding": "Binary",95      'Content-Type': 'application/octet-stream',96      "Content-disposition": `attachment; filename="${filename || 'report.pdf'}"`97    });98    res.end(await render_pdf(load_html(html_body), pdf_options, cache));99    console.timeEnd('FULL RENDER');100  } catch (render_err) {101    console.error(`Error during \`render_pdf(req, res)\``);102    console.error(render_err);103    res.end('Sorry')104  }105}...

wkpreferences.js

Source:wkpreferences.js

1/**2 * HYPERLOOP GENERATED - DO NOT MODIFY3 *4 * This source code is Copyright (c) 2018 by Appcelerator, Inc.5 * All Rights Reserved.  This code contains patents and/or patents pending.6 */7var $dispatch = Hyperloop.dispatch,8	$init,9	$imports,10	$class;11var NSObject = require('/hyperloop/foundation/nsobject');12/**13 * WebKit//Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator11.3.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKPreferences.h14 * @class15 */16function WKPreferences (pointer) {17	if (!(this instanceof WKPreferences)) {18		throw new TypeError('Cannot instantiate a class by calling it as a function');19	}20	if (!$init) {21		$initialize();22	}23	if (pointer) {24		var oldWrapper = Hyperloop.getWrapper(pointer.$native ? pointer.$native : pointer);25		if (oldWrapper) {26			if (oldWrapper.__proto__ !== this.__proto__) {27				oldWrapper = Object.setPrototypeOf(oldWrapper, this.__proto__);28			}29			return oldWrapper;30		}31	}32	if (!pointer) {33		pointer = Hyperloop.createProxy({34			class: 'WKPreferences',35			alloc: true,36			init: 'init'37		});38	}39	NSObject.call(this, pointer);40	Object.defineProperty(this, '$private', {41		value: {},42		writable: true,43		enumerable: false,44		configurable: false45	});46}47// superclass48WKPreferences.prototype = Object.create(NSObject.prototype, {49	constructor: {50		value: WKPreferences,51		enumerable: false,52		writable: true,53		configurable: true54	}55});56Object.setPrototypeOf(WKPreferences, NSObject);57Object.defineProperty(WKPreferences, '$class', {58	get: function () {59		if (!$init) { $initialize(); }60		return $class;61	},62	enumerable: false63});64Object.defineProperty(WKPreferences, 'className', {65	value: 'WKPreferences',66	enumerable: false,67	writable: true68});69Object.defineProperty(WKPreferences.prototype, 'className', {70	value: 'WKPreferences',71	enumerable: false,72	writable: true73});74Object.defineProperty(WKPreferences.prototype, 'toString', {75	value: function () {76		return Hyperloop.stringValue(this.$native);77	},78	enumerable: false,79	writable: true80});81Object.defineProperty(WKPreferences, 'toString', {82	value: function () {83		return '[class WKPreferences]';84	},85	enumerable: false,86	writable: true87});88function $initialize () {89	$imports = {};90	$class = Hyperloop.createProxy({91		class: 'WKPreferences',92		alloc: false,93		init: 'class'94	});95	Object.defineProperty(WKPreferences, '$imports', {96		value: $imports,97		writable: true,98		enumerable: false,99		configurable: false100	});101	Object.defineProperty(WKPreferences, '$private', {102		value: {},103		writable: true,104		enumerable: false,105		configurable: false106	});107	// instance methods108	Object.defineProperty(WKPreferences.prototype, 'setJavaScriptEnabled', {109		value: function (_javaScriptEnabled) {110			this.$private.setJavaScriptEnabled = this.$private.setJavaScriptEnabled || [];111			this.$private.setJavaScriptEnabled.push(_javaScriptEnabled);112			var result = $dispatch(this.$native, 'setJavaScriptEnabled:', [_javaScriptEnabled], true);113			return result;114		},115		enumerable: false,116		writable: true117	});118	$init = true;119}120/**121 * ticore compatibility with ES6122 */123Object.setPrototypeOf = Object.setPrototypeOf || function(obj, proto) {124	obj.__proto__ = proto;125	return obj;126}...

screenshot.js

Source:screenshot.js

...39  if (setExtraHTTPHeaders) {40    await page.setExtraHTTPHeaders(setExtraHTTPHeaders);41  }42  if (setJavaScriptEnabled !== null) {43    await page.setJavaScriptEnabled(setJavaScriptEnabled);44  }45  if (rejectRequestPattern.length || requestInterceptors.length) {46    await page.setRequestInterception(true);47    page.on('request', (req) => {48      if (rejectRequestPattern.find((pattern) => req.url().match(pattern))) {49        return req.abort();50      }51      const interceptor = requestInterceptors52        .find(r => req.url().match(r.pattern));53      if (interceptor) {54        return req.respond(interceptor.response);55      }56      return req.continue();57    });...

content.js

Source:content.js

...33  if (setExtraHTTPHeaders) {34    await page.setExtraHTTPHeaders(setExtraHTTPHeaders);35  }36  if (setJavaScriptEnabled !== null) {37    await page.setJavaScriptEnabled(setJavaScriptEnabled);38  }39  if (rejectRequestPattern.length || requestInterceptors.length) {40    await page.setRequestInterception(true);41    page.on('request', (req) => {42      if (rejectRequestPattern.find((pattern) => req.url().match(pattern))) {43        return req.abort();44      }45      const interceptor = requestInterceptors46        .find(r => req.url().match(r.pattern));47      if (interceptor) {48        return req.respond(interceptor.response);49      }50      return req.continue();51    });...

bring-it-to-life_test.js

Source:bring-it-to-life_test.js

...18  })19})20tests.push(async ({ eq, page }) => {21  // check the class of left eye before the JS is loaded22  await page.setJavaScriptEnabled(false)23  await page.reload()24  await eq.$('p#eye-left', { className: 'eye' })25})26tests.push(async ({ eq, page }) => {27  // check the class of left eye has been updated after the JS is loaded28  await page.setJavaScriptEnabled(true)29  await page.reload()30  await eq.$('p#eye-left', { className: 'eye eye-closed' })31  // check the background color of left eye has changed after the JS is loaded32  const eyeLeftBg = await page.$eval(33    '#eye-left',34    (node) => node.style.backgroundColor,35  )36  eq(eyeLeftBg, 'black')...

noJS.js

Source:noJS.js

...19import { takeSnapshot, createNewStory } from '@web-stories-wp/e2e-test-utils';20describe('Story Editor with disabled JavaScript', () => {21  it('should display error message', async () => {22    // Disable javascript for test.23    await page.setJavaScriptEnabled(false);24    await createNewStory();25    await expect(page).toMatchElement('.web-stories-wp-no-js');26    // Re-enable javascript for snapshots.27    await page.setJavaScriptEnabled(true);28    await takeSnapshot(page, 'Editor no js');29  });...

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch({headless: false});4  const page = await browser.newPage();5  await page.setJavaScriptEnabled(false);6  await page.screenshot({path: 'example.png'});7  await browser.close();8})();

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3    const browser = await puppeteer.launch({headless: false});4    const page = await browser.newPage();5    await page.setJavaScriptEnabled(false);6    await page.screenshot({path: 'example.png'});7    await browser.close();8})();9const puppeteer = require('puppeteer');10(async () => {11    const browser = await puppeteer.launch({headless: false});12    const page = await browser.newPage();13    await page.setRequestInterception(true);14    page.on('request', request => {15        if(request.resourceType() == 'image')16            request.abort();17            request.continue();18    });19    await page.screenshot({path: 'example.png'});20    await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24    const browser = await puppeteer.launch({headless: false});25    const page = await browser.newPage();26    await page.setUserAgent('Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36');27    await page.screenshot({path: 'example.png'});28    await browser.close();29})();30const puppeteer = require('puppeteer');31(async () => {32    const browser = await puppeteer.launch({headless: false});33    const page = await browser.newPage();34    await page.setViewport({width: 1280, height: 800});35    await page.screenshot({path: 'example.png'});36    await browser.close();37})();38const puppeteer = require('puppeteer');39(async () => {40    const browser = await puppeteer.launch({headless: false});41    const page = await browser.newPage();42    await page.setExtraHTTPHeaders({

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.setJavaScriptEnabled(false);6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.setJavaScriptEnabled(true);13  await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  await page.setJavaScriptEnabled(false);20  await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.setJavaScriptEnabled(true);27  await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  await page.setJavaScriptEnabled(false);34  await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.setJavaScriptEnabled(true);41  await browser.close();42})();43const puppeteer = require('puppeteer');44(async () => {45  const browser = await puppeteer.launch();46  const page = await browser.newPage();47  await page.setJavaScriptEnabled(false);

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3const browser = await puppeteer.launch();4const page = await browser.newPage();5await page.setJavaScriptEnabled(false);6await browser.close();7})();8You can also use the setJavaScriptEnabled() method to enable JavaScript on the page. The output of the above code will be:

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch();4  const page = await browser.newPage();5  await page.setJavaScriptEnabled(false);6  await browser.close();7})();8const puppeteer = require('puppeteer');9(async () => {10  const browser = await puppeteer.launch();11  const page = await browser.newPage();12  await page.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.39 Safari/537.36');13  await browser.close();14})();15const puppeteer = require('puppeteer');16(async () => {17  const browser = await puppeteer.launch();18  const page = await browser.newPage();19  await page.setViewport({width: 1280, height: 800});20  await browser.close();21})();22const puppeteer = require('puppeteer');23(async () => {24  const browser = await puppeteer.launch();25  const page = await browser.newPage();26  await page.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.39 Safari/537.36');27  await browser.close();28})();29const puppeteer = require('puppeteer');30(async () => {31  const browser = await puppeteer.launch();32  const page = await browser.newPage();33  await page.setViewport({width: 1280, height: 800});34  await browser.close();35})();36const puppeteer = require('puppeteer');37(async () => {38  const browser = await puppeteer.launch();39  const page = await browser.newPage();40  await page.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko

Using AI Code Generation

1const puppeteer = require('puppeteer');2(async () => {3  const browser = await puppeteer.launch({4  });5  const page = await browser.newPage();6  await page.setJavaScriptEnabled(false);7})();

Using AI Code Generation

1async function setJavaScriptEnabled() {2    const browser = await puppeteer.launch();3    const page = await browser.newPage();4    await page.setJavaScriptEnabled(false);5    await page.screenshot({ path: 'google.png' });6    await browser.close();7}8setJavaScriptEnabled();9async function setViewport() {10    const browser = await puppeteer.launch();11    const page = await browser.newPage();12    await page.setViewport({ width: 800, height: 600 });13    await page.screenshot({ path: 'google.png' });14    await browser.close();15}16setViewport();17async function setUserAgent() {18    const browser = await puppeteer.launch();19    const page = await browser.newPage();20    await page.setUserAgent('Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.39 Safari/537.36');21    await page.screenshot({ path: 'google.png' });22    await browser.close();23}24setUserAgent();25async function setViewport() {26    const browser = await puppeteer.launch();27    const page = await browser.newPage();28    await page.setViewport({ width: 800, height: 600 });29    await page.screenshot({ path: 'google.png' });30    await browser.close();31}32setViewport();33async function setViewport() {34    const browser = await puppeteer.launch();35    const page = await browser.newPage();36    await page.setViewport({ width: 800, height: 600 });37    await page.screenshot({ path: 'google.png' });38    await browser.close();39}40setViewport();41async function setViewport() {42    const browser = await puppeteer.launch();43    const page = await browser.newPage();44    await page.setViewport({ width: 800, height: 600 });

Using AI Code Generation

1const puppeteer = require('puppeteer');2async function main() {3  const browser = await puppeteer.launch({4  });5  const page = await browser.newPage();6  await page.setJavaScriptEnabled(false);7  await page.screenshot({ path: 'google.png' });8  await browser.close();9}10main();

Using AI Code Generation

1(async () => {2})();3(async () => {4    page.on('request', (request) => {5        if (['image', 'stylesheet', 'font'].indexOf(request.resourceType()) !== -1) {6            request.abort();7        } else {8            request.continue();9        }10    });11})();12(async () => {13})();

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