标准CDP函数

const page = await browser.newPage();  
await page.goto('https://example.com');  
const html = await page.content();

// node.js puppeteer   
const page = await page.newPage();  
await page.goto('https://example.com');  
await page.click('a[href]');

// node.js puppeteer   
const page = await page.newPage();  
await page.goto('https://example.com');  
await page.evaluate(()=>window.scrollBy(0, window.innerHeight));

const page = await browser.newPage();  
await page.setCookie({name: 'LANG', value: 'en-US', domain: 'example.com'});  
await page.goto('https://example.com');

// connect to a remote browser...
const blockedUrls = ['*doubleclick.net*'];
const page = await browser.newPage();
const client = await page.target().createCDPSession();
await client.send('Network.enable');
await client.send('Network.setBlockedURLs', {urls: blockedUrls});
await page.goto('https://washingtonpost.com');

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