Microsoft today launched BrowserSwarm, an open source tool to help Web developers automate testing of their JavaScript frameworks and libraries across devices and browsers. To take advantage, all ...

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 ...

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 ...

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 ...

Google has updated the mobile-friendly test and the rich results test tools to support JavaScript sites better. Google posted on Twitter that you now will see rendered HTML, console log ...

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 ...

Google’s mobile-friendly and rich results testing tools have been updated with featured designed for developers of JavaScript sites.

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