markItUp! is a JavaScript plugin built on the jQuery library. It allows you to turn any textarea into a markup editor. Html, Textile, Wiki Syntax, Markdown, BBcode or even your own Markup system can be easily implemented.

OMeta is a new object-oriented language for pattern matching. It is based on a variant of Parsing Expression Grammars (PEGs) which we have extended to handle arbitrary data types. OMeta's general-purpose pattern matching facilities provide a natural and convenient way for programmers to implement tokenizers, parsers, visitors, and tree transformers, all of which can be extended in interesting ways using familiar object-oriented mechanisms.

ake desktop-like apps for the web. Imagine the possibilities by sampling some demo apps.

SproutCore is designed to make desktop-like apps for the web.

The purpose of this posting is to show that is is possible to create an online partial evaluator for JavaScript, written also in JavaScript. As far as I know, this has been not been done before. This post is the first in a series describing the inner workings of Jeene.

Offers a extremely high precision level to make mathematical operations. For integers there is no limits and for floating point numbers, the class allows setting the maximum precision.

Razor is a web delivered service for profiling and optimizing JavaScript-based Web 2.0 applications. It includes a profiler and an optimizer. Razor Profiler analyzes your JavaScript code and gives you insight into the runtime behavior of your application. Razor Optimizer optimizes your JavaScript code and trims overhead so that "What You Get Is What You Need"(WYGIWYN).

XRAY is a bookmarklet for Internet Explorer 6+, and Webkit and Mozilla based browsers (including Safari, Firefox, Camino or Mozilla). Use it to see the box model for any element on any web page.

SVG and JavaScript are used to find intersections and properties of a selected group of SVG elements. JavaScript objects used in this section are documented in the GUI section of this site.

var div = document.getElementsByTagName("div"); var fragment = document.createDocumentFragment(); for ( var e = 0; e < elems.length; e++ ) {         fragment.appendChild( elems[e] ); } for ( var i = 0; i < div.length; i++ ) {         div[i].appendChild( fragment.cloneNode(true) ); }

Setting some time stamps we can see our results pay off in spades: Browser Normal (ms) Fragment (ms) Firefox 3.0.1 90 47 Safari 3.1.2 156 44 Opera 9.51 208 95 IE 6 401 140 IE 7 230 61 IE 8b1 120 40