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JS Debugger
console.log('You can input JS code here and click "Run" below'); console.log("You can refer to the following sample:"); function isUrl(url) { const regex = /^(https?:\/\/)?([\w-]+\.)+[\w-]+(\/[\w-./?%&=]*)?$/; return regex.test(url); } let url = 'https://openai2025.com'; let res = 5 * 5; console.log(isUrl(url)); console.log(url); console.log("Welcome to this tool"); console.log('5 * 5 * 5 = ' + (5 * 5 * 5)); function sayHello() { console.log("Hello World"); } sayHello();
Run
Clear
About this tool:
Run JavaScript code and print results.
Click "Run" to execute and view output.
Note: For complex debugging, use professional tools.