We’ve detected that JavaScript is disabled in this browser. Please enable JavaScript or switch to a supported browser to continue using twitter.com. You can see a list of supported browsers in our Help Center. (more…)

Unit tests are a great way to get quick feedback after any code change — if you know how to use and write them well. The key factor to… (more…)

昨天有同学反馈使用toFixed进行保留小数点的操作时遇到了诡异的问题。...

A note on bit-wise operations Today I read some JavaScript source code and stumbled on a line like var delta = ~~time; and I was unsure what that purpose of using ~~ was. So I started to research and digging a bit deeper. It turns out that the binary not ... (more…)

A lightweight JavaScript library that creates a 'Matrix-style' falling character effect with depth. Customize the font, colors, character range, and animation speed for dynamic visual effec... (more…)