Get Started

Welcome to Bun Installation Quickstart TypeScript TypeScript 6 and 7

Watch Mode Debugging REPL bunfig.toml File Types Module Resolution JSX Auto-install Plugins File System Router

Cookies File I/O Streams Binary Data Archive SQL SQLite S3 Redis Workers Environment Variables Shell Spawn WebView Cron Node-API FFI C Compiler Transpiler CSRF Protection Secrets Console TOML YAML Markdown JSON5 JSONL HTMLRewriter Image Hashing Glob Semver Color Utils Globals Bun APIs Web APIs Node.js Compatibility

Standards & Compatibility

WebView

Control a headless browser from Bun for automation, testing, and scraping — zero dependencies on macOS, Chrome DevTools Protocol everywhere else

Spawn

Spawn child processes with `Bun.spawn` or `Bun.spawnSync`

Cron

Schedule and parse cron jobs with Bun

On this page

Creating a view Automatic cleanup with using Persistent storage Backends How the WebKit backend works How the Chrome backend works Finding the Chrome executable Connecting to an already-running Chrome Launch flags Subprocess output Navigation History Navigation callbacks Evaluating JavaScript Screenshots Image format Return type Shared memory for terminal graphics Input simulation Clicking Clicking by selector Typing text Pressing keys Scrolling Resizing Console capture Mirror to Bun's console Custom handler Raw Chrome DevTools Protocol Sending commands Subscribing to events Lifecycle Closing a view Killing all browsers Event-loop behavior Subprocess death Concurrency model Reference new Bun.WebView(options?)backend object form Instance properties Instance methods click() options press() options scrollTo() options screenshot() options Static methods