標籤：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>內容選取器</title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <style type="text/css"> .yang{ border-collapse: collapse; width:500px;height:30px;border:1px solid red;"} </style> <script type="text/javascript" src="jquery-1.7.1.min.js"></script> <script type="text/javascript"> /* :contains(text) //根據內容匹配元素 :empty //匹配內容為空白的元素 :has(selector) //匹配包含指定選取器的元素 :parent //匹配內容不為空白的元素 */ window.onload=function(){ $(‘#btnOk‘).click(function(){ //匹配內容不為空白的元素改為“水滸傳” $("li:parent").html(‘水滸傳‘); }); }; </script> </head> <body> <ol> <li>三國演義</li> <li>西遊記</li> <li></li> <li>紅樓夢</li> </ol> <hr/> <input type="button" id=‘btnOk‘ value=‘確定‘ /> </body></html>
jquery內容選取器（匹配內容不為空白的元素）
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