jquery.highlight-4.closure.js

/*

highlight v4

Highlights arbitrary terms.

<http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>

MIT license.

Johann Burkard
<http://johannburkard.de>
<mailto:jb@eaio.com>

*/

jQuery.fn.highlight=function(c,v){function e(b,c,v){var d=0;if(3==b.nodeType){var a=b.data.toUpperCase().indexOf(c);if(0<=a){d=document.createElement("span");d.className="highlight";d.title = v;a=b.splitText(a);a.splitText(c.length);var f=a.cloneNode(!0);d.appendChild(f);a.parentNode.replaceChild(d,a);d=1}}else if(1==b.nodeType&&b.childNodes&&!/(script|style)/i.test(b.tagName))for(a=0;a<b.childNodes.length;++a)a+=e(b.childNodes[a],c,v);return d}return this.length&&c&&c.length?this.each(function(){e(this,c.toUpperCase(),v)}): this};jQuery.fn.removeHighlight=function(){return this.find("span.highlight").each(function(){this.parentNode.firstChild.nodeName;with(this.parentNode)replaceChild(this.firstChild,this),normalize()}).end()};