An error report that says app.min.js:1:18422 is not a bug report, and the usual workaround — shipping the unminified bundle so it can be reproduced — changes the…
$.each hands the callback the index first and the value second. Array.prototype.forEach hands it the value first and the index second. Both signatures are two arguments of convenient…
Thirty-one requests before the page could do anything, most of them under 2 KB. Concatenation in a declared order, source maps, and cache busting that proxies respect.
Both tools drive the same underlying programs, so the choice is not about capability. The difference is that a Grunt task reads files from disk, does one thing…
$.ajaxSetup is the documented way to attach a CSRF token or an authentication header to every request, and it does exactly that — including requests made by jQuery…
A third-party widget arrives with jQuery 1.7 bundled into its own script tag, the application is on 1.11, and whichever loads second owns window.jQuery — so one of…
grunt jshint prints its warnings, the build goes green, and the lint errors accumulate — the worst of both worlds, because the check runs and nobody reads it.…
JSX looks like a template language embedded in JavaScript, which makes its rules look arbitrary and its errors look like parser bugs. It is not a template language.…