JavaScript Minifier for JavaScript
Free online javascript minifier with JavaScript code examples
Working with javascript minifier in JavaScript? Our free online javascript minifier helps JavaScript developers format, validate, and process data instantly. Below you will find JavaScript code examples using terser so you can achieve the same result programmatically in your own projects.
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Open JavaScript MinifierJavaScript Code Example
const { minify } = require('terser');
const code = `
function greet(name) {
// Say hello
var message = 'Hello, ' + name + '!';
console.log(message);
return message;
}
greet('World');
`;
(async () => {
const result = await minify(code, {
compress: true,
mangle: true
});
console.log(result.code);
})();Quick Setup
Library: terser
npm install terserJavaScript Tips & Best Practices
- Terser is the standard JS minifier (successor to UglifyJS)
- compress: true enables dead code elimination
- mangle: true shortens variable names for smaller output