发一个数据过滤的代码，很简单，有用的着的拿去_javascript技巧

<title>Filterlist Example</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta content="MSHTML 6.00.2900.3020" name="GENERATOR"> <h1>Filterlist Example</h1> <form name="myform" action=""> <select size="5" name="myselect"><option>Keanu Reeves</option> <option>Laurence Fishburne</option> <option>Monica Bellucci</option> <option>Daniel Bernhardt</option> <option>Nona Gaye</option> <option>Lachy Hulme</option> <option>Nathaniel Lees</option> <option>Harry J. Lennix</option> <option>Matt McColm</option> <option>Carrie-Anne Moss</option> <option>Collin Chou</option> <option>Genevieve O'Reilly</option> <option>Harold Perrineau Jr.</option> <option>Jada Pinkett Smith</option> <option>Adrian Rayment</option> <option>Neil Rayment</option> <option>Bruce Spence</option> <option>Hugo Weaving</option> <option>Lambert Wilson</option> <option>Anthony Wong</option></select><p>Filter: <a title="Clear the filter" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5yZXNldCgp" target="_blank" rel="nofollow">Clear</a> <a title="Show items starting with A" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15BJyk=" target="_blank" rel="nofollow">A</a> <a title="Show items starting with B" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15CJyk=" target="_blank" rel="nofollow">B</a> <a title="Show items starting with C" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15DJyk=" target="_blank" rel="nofollow">C</a> <a title="Show items starting with D" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15EJyk=" target="_blank" rel="nofollow">D</a> <a title="Show items starting with E" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15FJyk=" target="_blank" rel="nofollow">E</a> <a title="Show items starting with F" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15GJyk=" target="_blank" rel="nofollow">F</a> <a title="Show items starting with G" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15HJyk=" target="_blank" rel="nofollow">G</a> <a title="Show items starting with H" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15IJyk=" target="_blank" rel="nofollow">H</a> <a title="Show items starting with I" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15JJyk=" target="_blank" rel="nofollow">I</a> <a title="Show items starting with J" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15KJyk=" target="_blank" rel="nofollow">J</a> <a title="Show items starting with K" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15LJyk=" target="_blank" rel="nofollow">K</a> <a title="Show items starting with L" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15MJyk=" target="_blank" rel="nofollow">L</a> <a title="Show items starting with M" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15NJyk=" target="_blank" rel="nofollow">M</a> <a title="Show items starting with N" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15OJyk=" target="_blank" rel="nofollow">N</a> <a title="Show items starting with O" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15PJyk=" target="_blank" rel="nofollow">O</a> <a title="Show items starting with P" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15QJyk=" target="_blank" rel="nofollow">P</a> <a title="Show items starting with Q" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15RJyk=" target="_blank" rel="nofollow">Q</a> <a title="Show items starting with R" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15SJyk=" target="_blank" rel="nofollow">R</a> <a title="Show items starting with S" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15TJyk=" target="_blank" rel="nofollow">S</a> <a title="Show items starting with T" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15UJyk=" target="_blank" rel="nofollow">T</a> <a title="Show items starting with U" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15VJyk=" target="_blank" rel="nofollow">U</a> <a title="Show items starting with V" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15WJyk=" target="_blank" rel="nofollow">V</a> <a title="Show items starting with W" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15XJyk=" target="_blank" rel="nofollow">W</a> <a title="Show items starting with X" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15YJyk=" target="_blank" rel="nofollow">X</a> <a title="Show items starting with Y" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15ZJyk=" target="_blank" rel="nofollow">Y</a> <a title="Show items starting with Z" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuamF2YXNjcmlwdDpteWZpbHRlci5zZXQoJ15aJyk=" target="_blank" rel="nofollow">Z</a> </p> <p>Filter by regular expression: <input onkeyup="myfilter.set(this.value)" name="regexp"><input onclick="myfilter.set(this.form.regexp.value)" type="button" value="Filter"><input onclick="myfilter.reset();this.form.regexp.value=''" type="button" value="Clear"><input onclick="myfilter.set_ignore_case(!this.checked)" type="checkbox" name="toLowerCase"> Case-sensitive </p> </form>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]