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Testing JavaScript

Last modified: 08 October 2024

With WebStorm, you can run and debug JavaScript unit tests using Karma, Vitest, Jest, Protractor, Cucumber.js, Mocha and Node.js Test Runner.

You can see the test results in a treeview and easily navigate to the test source from there. Test status is shown next to the test in the editor with an option to quickly run or debug it:

Run single test from the editor

For Jest, Karma, and Mocha you can also see a code coverage report right in WebStorm.