This article is a crash course in writing maintainable JavaScript. We'll add features to a running example by iteratively following a simple principle: write a unit test, make it pass. Each test ...

From simple test runners to complete testing frameworks, look to these proven tools to keep your JavaScript free of bugs The need to test JavaScript code is straightforward. How else to keep out ...

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Practical .NET Test Driving a JavaScript MVC Framework Peter looks at Knockout, one of the MVC environments for writing client-side JavaScript, and wonders if we're on the wrong path. By Peter Vogel ...

Meta hands its open-source Jest JavaScript testing framework to the OpenJS Foundation to let the project flourish as a community-led initiative.

Google has updated its Octane speed test for measuring JavaScript performance, expanding its scope and rounding out the benchmark with computing tasks from rival browser makers Mozilla and ...

Mozilla has unleashed the Kraken, a new JavaScript benchmark test. It joins similar efforts like Google’s V8 and the WebKit project’s SunSpider tests, which are widely used to measure browser ...

This article by Dennis Byrne is a crash course in writing maintainable JavaScript. Dennis uses stubs, mock objects and a little bit of dependency injection. He also uses JsUnit to run unit tests ...