Display a loading bar in whatever block element you want
jQuery zero byte smooth loading motion effect, with almost an infinite dynamic patterns. Highly configurable and it is inspired by Lissajous patterns
Execute a function (e.g. show loading status) when a Promise is slow.
Dynamic Widget is a plugin for JQuery UI that automates lazy loading JS and CSS for your JQuery UI widgets without the need to worry about includes.
jQuery Ajax Loading.
A jQuery plugin that provides callbacks for images, letting you know when they’ve loaded.