Respond.js: Fast CSS3 Media Queries for Internet Explorer 6-8 and More

The

goal of this script is to provide a fast and lightweight script to

enable responsive Web designs in browsers that don’t support CSS3 Media

Queries. In particular, Internet Explorer 8 and under.Blackbird: Open Source JavaScript Logging Utility

Blackbird offers a dead-simple way to log messages in JavaScript and an attractive console to view and filter them.Treesaver.js

Treesaver

is a JavaScript framework for creating magazine-style layouts using

standards-compliant HTML and CSS. It is free for all uses and made

available under the MIT or GPLv2 licenses.Bibliotype

Bibliotype is a (very) simple HTML, CSS and JS based library for rapid prototyping long-form typography and reading on tablets.Highcharts – Interactive JavaScript charts

Highcharts

is a charting library written in pure JavaScript, offering an easy way

of adding interactive charts to your web site or web application.

Highcharts currently supports line, spline, area, areaspline, column,

bar, pie and scatter chart types.jStat: a JavaScript statistical library

jStat

is a statistical library written in JavaScript that allows you to

perform advanced statistical operations without the need of a dedicated

statistical language (i.e. MATLAB or R).highlight.js

Highlight.js

highlights syntax in code examples on blogs, forums and in fact on any

web pages. It’s very easy to use because it works automatically: finds

blocks of code, detects a language, highlights it.Visual Event JS Library

Events

in Javascript are often seen as a bit of an enigma. This is odd given

that Javascript is very much an event driven language, but it is

typically down to their complex nature and difficulty to debug. To this

end the author created Visual Event to help track events which are

subscribed to DOM nodes.Underscore.js

Underscore

is a utility-belt library for JavaScript that provides a lot of the

functional programming support that you would expect in Prototype.js (or

Ruby), but without extending any of the built-in JavaScript objects.Popcorn.js

Popcorn.js, is a HTML5 javascript library for integrating the web into video production.SlickGrid!

SlickGrid is a JavaScript grid/spreadsheet component.JavaScript InfoVis Toolkit

The JavaScript InfoVis Toolkit provides tools for creating Interactive Data Visualizations for the Web.Handlebars.js: Minimal Templating on Steroids

Handlebars

provides the power necessary to let you build semantic templates

effectively with no frustration. You might want to read ThinkVitamin’s

article

Getting Started with Handlebars.js, too.Backbone.js

Backbone

supplies structure to JavaScript-heavy applications by providing models

with key-value binding and custom events, collections with a rich API

of enumerable functions, views with declarative event handling, and

connects it all to your existing application over a RESTful JSON

interface.[Load JavaScript and Stylesheets on Demand

SidJS](http://www.diveintojavascript.com/projects/sidjs-load-javascript-and-stylesheets-on-demand)

SidJS

is a lightweight JavaScript library used to load JavaScript scripts and

CSS stylesheets on demand. It increases AJAX applications performance

by loading resources when they’re needed.OpenFaces

OpenFaces

is an open-source library of AJAX-powered JSF components, an Ajax

framework and a client-side validation framework. OpenFaces is based on

the set of JSF components formerly known as QuipuKit. It contains fully

revised codebase of QuipuKit and introduces many new components and

features.d3.js

D3

allows you to bind arbitrary data to a Document Object Model (DOM), and

then apply data-driven transformations to the document.Tempo: JSON rendering engine

Tempo

is a tiny JSON rendering engine that enables you to craft data

templates in pure HTML. It not only makes AJAX content easier to work

with but also manages clear separations of concerns, i.e. no HTML in

your JavaScript filesArt Deco – Selectable Text

A

quick proof-of-concept of split typography, based on Pierre

Fix-Masseau’s Art Deco style. The challenge here was to achieve ‘split

letters’ as part of a Web page layout, while retaining the ability to

select text.Using Less.js to Simplify Your CSS3

LESS is an amazing little tool that extends CSS with the addition of variables, mixins, operations and nested rules.PhantomJS: Headless WebKit with JavaScript API

PhantomJS

is a headless WebKit with JavaScript API. It has fast and native

support for various web standards: DOM handling, CSS selector, JSON,

Canvas, and SVG.原文地址：

http://www.smashingmagazine.com/2011/04/07/useful-javascript-and-jquery-tools-libraries-plugins/