<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>QUnit</title>
<link rel="stylesheet" href="https://code.jquery.com/qunit/qunit-2.22.0.css">
<body>
<div id="qunit"></div>
<div id="qunit-fixture"></div>
<script src="https://code.jquery.com/qunit/qunit-2.22.0.js"></script>
<!-- <script src="your_app.test.js"></script> -->
<script>
function add(a, b) {
return a + b;
}
QUnit.module('add', function() {
QUnit.test('two numbers', function(assert) {
assert.equal(add(1, 2), 3);
});
});
</script>
</body>
</html>