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其實只是在固定的位置，把需要尋找的關鍵字，設定下樣式。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"<br />"http://www.w3.org/TR/xhtml/DTD/xhtml1-transitonal.dtd"><br /><html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><br /><head><br /><title>高亮文字</title><br /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><br /><mce:script type="text/javascript"><!--<br />function highLight(ele,keys){<br />var reg = new RegExp("(" + keys.replace(/,/,"|") + ")","g");<br />ele.innerHTML = ele.innerHTML.replace(reg,"<font color=/"red/";font=/"bold/">$1</font>");<br />}<br />window.onload = function(){<br />highLight(document.getElementsByTagName("p")[0],"xujie");<br />}</p><p>// --></mce:script><br /></head><br /><body><br /><p>why xujie xuqing xuwen</p><br /></body><br /></html>
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