Master all 20 places to run JavaScript code
Execute JavaScript directly in the browser address bar
How to use:
Type in address bar and press Enter
Save JavaScript code as bookmarks for one-click execution
How to use:
Save as bookmark, click to execute
Interactive REPL for real-time JavaScript execution
How to use:
F12 → Console tab → Type code → Enter
Save and run reusable code snippets in DevTools
How to use:
F12 → Sources → Snippets → New snippet → Ctrl+Enter
Always verify JavaScript code before execution. Some methods can access sensitive data. Only use trusted sources and review scripts carefully. Start with DevTools Console and Snippets for learning.
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