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What is a JavaScript file?
JavaScript (JS) is a high-level, often just-in-time compiled language that conforms to the ECMAScript specification. It is a core technology of the World Wide Web, alongside HTML and CSS.
Our Online JS Viewer provides syntax highlighting for JavaScript files, making it easier to read and debug code.
How to View JavaScript Files Online
1
Upload File
Drag and drop your JS file into the viewer area.
2
View Code
Instantly view your code with syntax highlighting.
3
Copy or Edit
Copy the content or make quick edits in the browser.
Frequently Asked Questions
What is a JavaScript file?
JavaScript is a programming language that is one of the core technologies of the World Wide Web.
Is it secure?
Yes, your files are processed locally in your browser or securely on our server and deleted after processing.