Code coverage has finally made it out of experiments and into Chrome Canary, meaning that it will soon reach general availability. This is an exciting feature that is useful both when working with JavaScript and CSS, so I thought I’d do a quick demo and explore how it can be helpful.
01 Feb, 2019 If you're using test-driven development, don't measure unit test code coverage. It's worse than a useless statistic; it will actively lead you astray.