原文：http://www.topdesignmag.com/20-useful-jquery-plugins-every-developer-should-know-about/
JQuery is a JavaScript library which intends to make it easier for you, a developer, to construct better, feature rich, interactive web sites and user interfaces with as few lines of code as possible. Below you can see 20 useful plugins you should know about.
Creative Radical Web Typography
New FancyMoves Jquery Product Slider
Jquery Space Gallery
Fancy Thumbnail Hover Effect
Jquery Inline Form Validation
Site Switcher
AnythingSlider
Jquery Tooltip Coda Bubble
Jquery Upload and Crop Image
jQuery Carts
Twitter-like login box
File Download
Polaroid Photo Viewer
jquery Hover Sub Tag Cloud
Graph Visualization
Show/Hide Jquery Panel
Drop Down with CSS and jQuery
Quick & Easy Zooming With jQuery – Zoomy
Horizontal Accordions
Flexible Rating
