jQuery自定义选择器示例
示例代码：
<!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>插件4，between</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- 引入jQuery --> <script src="../../scripts/jquery-1.3.1.js" type="text/javascript"> </script> <script type="text/javascript"> ; (function($){ $.extend($.expr[":"], { between: function(a, i, m){ var tmp = m[3].split(","); return tmp[0]-0<i && i<tmp[1]-0;//tmp[0],eg为2,i>2的时候，并且i<5，另外一个边界,条件成立，根据索引值i,保留其所对应的Dom元素. } }) })(jQuery); //插件应用 $(function(){ alert("执行前"); $("div:between(2,5)").css("background","white"); alert("执行后"); }) </script> </head> <body> <div style="background:red"> 0 </div> <div style="background:blue"> 1 </div> <div style="background:green"> 2 </div> <div style="background:yellow"> 3 </div> <div style="background:gray"> 4 </div> <div style="background:orange"> 5 </div> </body></html>