JavaScript Compiler
Run JavaScript code in real-time with immediate output
JavaScriptLive
489 chars • 15 lines
Console Output
0 logs// Console output will appear here
Rendered Output
DOM Preview// Rendered DOM elements will appear here
Security Features
- • Isolated iframe sandbox
- • No access to parent document
- • No access to cookies or localStorage
- • No network access
- • No sensitive API access
Sandbox Limitations
- • No access to window.parent
- • No access to cookies or localStorage
- • No network requests (fetch/XHR)
- • No access to browser extensions
- • No access to device APIs
Development Tips
- • Use console.log() for debugging
- • DOM manipulation is limited to sandbox
- • All code runs in isolated environment
- • Malicious code cannot escape sandbox
✓ 100% Secure Execution Environment
All code runs in a sandboxed iframe with no access to your device, browser data, or network