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18 lines
959 B
JavaScript
18 lines
959 B
JavaScript
/*
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highlight v4
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Highlights arbitrary terms.
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<http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>
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MIT license.
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Johann Burkard
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<http://johannburkard.de>
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<mailto:jb@eaio.com>
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*/
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jQuery.fn.highlight=function(c){function e(b,c){var d=0;if(3==b.nodeType){var a=b.data.toUpperCase().indexOf(c);if(0<=a){d=document.createElement("span");d.className="highlight";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);return d}return this.length&&c&&c.length?this.each(function(){e(this,c.toUpperCase())}): 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()};
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