Test JavaScript code in a real browser with QUnit. Getting started QUnit releases are standalone and require no runtime dependencies for use in the browser. To get started, all you need is an HTML file that loads two files: qunit.js and qunit.css. <!DOCTYPE html> <html> <meta charset="utf-8"> <title>QUnit</title> <link rel="stylesheet" href="https://code.jquery.com/qunit/qunit-2.21.0.css"> <body>