版本：2.4.1
- https://cdn.bootcdn.net/ajax/libs/qunit/2.4.1/qunit.css
- https://cdn.bootcdn.net/ajax/libs/qunit/2.4.1/qunit.js
- https://cdn.bootcdn.net/ajax/libs/qunit/2.4.1/qunit.min.css
- https://cdn.bootcdn.net/ajax/libs/qunit/2.4.1/qunit.min.js
An easy-to-use JavaScript Unit Testing framework.