Puppeteer

Puppeteer runs non-headless by default, but can be configured to run headless

• TRUE

• FALSE

The advantages of using puppeteer

• Taking screenshot and Generate PDF

• compatible in jest framework

• Automating web page interaction

How to launch puppeteer

• const browser = await puppeteer.launch;

• const browser: await page.puppeteer.launch

• const browser = await puppeteer.launch({headless: false});

• const browser = await puppeteer.launch();

how to initiate puppeteer library

• const puppeteer = await (puppeteer);

• npm init -y

• const puppeteer = require('puppeteer');

• npm i puppeteer-core

puppeteer-core will download the default browser

• TRUE

• FALSE

Code for taking screenshot using puppeteer

• (async () => { const browser = await puppeteer.launch(); const page = await browser.newPage(); await page.goto('https://example.com'); await page.screenshot({ path: 'example.pdf' }); await browser.close(); })();

• (async () => { const browser = await puppeteer.launch(); const page = await browser.newPage(); await page.goto('https://example.com'); await page.screenshot({ path: 'example.png' }); await browser.close(); })();

• (async () => { const browser = await puppeteer.launch(); const page = await browser.newPage(); await page.goto('https://example.com', { path: 'example.png' }); await browser.close(); })();

When generating a PDF, Puppeteer needs to run headless

• TRUE

• FALSE