Format or minify JavaScript
Format or minify your code in JavaScript locally in your browser using WebAssembly.
Format your code now!// Welcome to HappyFormatter!
function greet() {
console.log("Welcome to HappyFormatter!");
}
function showInstructions() {
const instructions = [
"Type or paste JavaScript here",
"HappyFormatter will format your code"
];
instructions.forEach(instruction => console.log(instruction));
}
greet();
showInstructions();
// DOM Manipulation Example
document.body.innerHTML = "<h1>Welcome to HappyFormatter!</h1>";
// Welcome to HappyFormatter!
function greet() {
console.log("Welcome to HappyFormatter!");
}
function showInstructions() {
const instructions = [
"Type or paste JavaScript here",
"HappyFormatter will format your code",
];
instructions.forEach((instruction) => console.log(instruction));
}
greet();
showInstructions();
// DOM Manipulation Example
document.body.innerHTML = "<h1>Welcome to HappyFormatter!</h1>";
JavaScript Formatter
Happy Formatter's JavaScript Formatter and JavaScript Validator help to auto format JavaScript code and validate your JavaScript text.
- JavaScript formatter online is the best tool to format JavaScript data.
- JavaScript minifier online is the best tool to minify JavaScript data.
- It helps to validate JavaScript online with error messages.
- It's also a JavaScript Beautifier that supports indentation levels: 2 spaces, 3 spaces, and 4 spaces.
- Supports printing of JavaScript data.
- Stores data locally for the last JavaScript formatted in the browser's local storage. This can be used as a Notepad++, Sublime, or VSCode alternative for JavaScript beautification.
- This JavaScript online formatter can also work as JavaScript Lint.
- Use the auto switch to turn auto-update on or off for beautification.
- It uses WebAssembly (WASM) to beautify JavaScript, making it easy for a human to read and analyze.
- Download JavaScript once it's created or modified, and it can be opened in Notepad++, Sublime, or VSCode alternative.
- JavaScript Format Checker helps to fix the missing quotes; click the setting icon which looks like a screwdriver on the left side of the editor to fix the format.
Know more about javascript:
- JavaScript is a scripting language that enables you to create dynamically updating content, control multimedia, animate images, and pretty much everything else.
- JavaScript is a client-side scripting language which means the source code is processed by the client's web browser rather than on the web server.
- JavaScript is a lightweight, interpreted programming language. It is designed for creating network-centric applications. It is complimentary to and integrated with Java. JavaScript is very easy to implement because it is integrated with HTML. It is open and cross-platform.
- JavaScript is a dynamic programming language. It does not have a type declaration, and it uses dynamic typing.
- JavaScript is a programming language that is characterized as dynamic and weakly typed.
JavaScript Validator
JavaScript Validator Online checks the integrity/syntax of the JavaScript data based on JavaScript Object Notation (JSON) Data Interchange Format Specifications (RFC).
- It's super easy to find the error when line numbers are highlighted with an in-detail error description.
- Use the format button as a JavaScript Fixer to repair the error.
- To validate JavaScript you just need internet and no need to install any software.
- Your JavaScript data gets validated in the browser itself.