I need to write a temporary Web-based graphical front-end for a custom server system. In this case performance and scalability aren\'t issues, since at most 10 people may ch
As it hasn't been mentioned yet: jQuery.UI
Out of all the JS frameworks out there, JQuery and YUI are my favorites. They accomplish a lot of the same but in very different ways.
For your request (lazy, easy, and powerful) I would vote JQuery. If this is something that will be more long term and more of an application that is very verbose and code heavy, I would vote YUI.
I really don't think there is anything out there that is better than these two frameworks. Either choice is a good one.
See also this question
What are alternatives to ExtJS?
It's 2016
Here is a few (old) ones
Am I I missing something, isn't bootstrap the defacto go to choice ?
Also, and rather cooler, google's polymer yet ... based on web components :
https://www.polymer-project.org/1.0/
Sproutcore would be a good choice.
If you're unfamiliar with it you might find that the time required to learn the basics is too long for throw-away code but once you've got the basics down it's quite quick to develop with.
ExtJs, Bindows, YUI. First two are commercial but worth the money.