Jint

Supported features ​

Jint.Browser is intended for script-driven DOM automation and extraction.

Documents and script ​

  • HTML parsing with inline, external, defer, and async classic scripts
  • Module scripts, import maps, and dynamic import()
  • document.write during parsing
  • External style sheets and a CSSOM through AngleSharp.Css
  • about:blank, data:text/html, direct content, and HTTP(S) navigation
  • Custom elements, shadow DOM, templates, ranges, traversal, selection, DOMParser, and XMLSerializer

Runtime ​

  • Timers, promises, microtasks, animation-frame callbacks, and postMessage
  • fetch, XMLHttpRequest, WebSocket, EventSource, blobs, and FileReader
  • Forms, validation, history, location, cookies, local/session storage
  • Dedicated workers
  • Mutation, intersection, and resize observers, with documented no-layout semantics

Automation and reading ​

  • CSS selectors and accessibility-snapshot ref= targets
  • Click, focus, typing, key presses, select controls, form submission, and virtual scrolling
  • Markdown, text, serialized HTML, and accessibility snapshots
  • Request, console, page-error, response, and dialog inspection
  • CDP connections for supported Puppeteer and Playwright operations

Feature support is intentionally narrower than a graphical browser. Check Limitations before depending on layout, frames, media, or full client compatibility.