
How to capture dynamic JavaScript pages (without parsing the DOM)
How to Capture Dynamic JavaScript Pages (Without Parsing the DOM) Static HTML scrapers break on JavaScript-heavy pages. React apps, Next.js SPAs, Angular dashboards — these pages need a real browser to execute JavaScript before there's any content to capture. The traditional fix is Puppeteer or Playwright: spin up a headless browser, wait for the right network events, then extract what you need. Here's how to get the same results — screenshot, PDF, structured element map — without managing a browser. Screenshot a JavaScript-rendered page The capture API runs a full browser behind the scenes. JavaScript executes, dynamic content loads, lazy images render. const res = await fetch ( ' https://pagebolt.dev/api/v1/screenshot ' , { method : ' POST ' , headers : { ' x-api-key ' : process . env . PAGEBOLT_API_KEY , ' Content-Type ' : ' application/json ' }, body : JSON . stringify ({ url : ' https://yourapp.com/dashboard ' , fullPage : true , blockBanners : true , fullPageScroll : true // trig
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