JavaScript Code Viewer
View your JavaScript (.js) files online with syntax highlighting, line numbers, code folding, and more. Perfect for reviewing code on any device without installing any software.
Upload Your File
Drag & drop files here or click to select
Maximum file size: 100MB
Supported format: JavaScript/TypeScript/JSON (.js, .jsx, .ts, .tsx, .json)
filename.ext
JavaScript Viewer Features
Smart Syntax Highlighting
Automatic syntax highlighting for JavaScript keywords, functions, objects, strings, and comments with proper indentation recognition.
Code Navigation
Easily navigate through your JavaScript code with line numbers, search functionality, and collapsible code blocks for functions and classes.
Dark Mode Support
Switch between light and dark themes to reduce eye strain when reading JavaScript code at night or in low-light environments.
example.js
1// Example JavaScript code
2function calculateTotal(items) {
3 return items.reduce((total, item) => {
4 return total + item.price * item.quantity;
5 }, 0);
6}
7
8class ShoppingCart {
9 constructor() {
10 this.items = [];
11 }
12
13 addItem(item) {
14 this.items.push(item);
15 return this;
16 }
17
18 getTotal() {
19 return calculateTotal(this.items);
20 }
21}Supported JavaScript Formats
Online Viewing
Our JavaScript viewer works directly in your browser. No need to download or install any software. Just upload your file and start viewing.
- Instant access from any device
- No software installation required
- Works on desktop, tablet, and mobile
Privacy & Security
Your JavaScript files are processed securely in your browser. We prioritize your privacy and data security.
- Files are processed locally when possible
- No permanent storage of your code
- Secure file handling