作者：互联网
2009-06-17
<!-- 把下列代码加到<body>区域中 --> <!-- 二级联动 Start --> <script language="JavaScript"> <!-- var subcat = new Array(); subcat[0] = new Array('10','1','=1') subcat[1] = new Array('10','2','=2') subcat[2] = new Array('10','3','=3') subcat[3] = new Array('10','4','=4') subcat[4] = new Array('10','5','=5') subcat[5] = new Array('10','6','=6') subcat[6] = new Array('10','7','=7') subcat[7] = new Array('10','8','=8') subcat[8] = new Array('10','9','=9') subcat[9] = new Array('10','10','=10') subcat[10] = new Array('20','11','=11') subcat[11] = new Array('20','12','=12') subcat[12] = new Array('20','13','=13') subcat[13] = new Array('20','14','=14') subcat[14] = new Array('20','15','=15') subcat[15] = new Array('20','16','=16') subcat[16] = new Array('20','17','=17') subcat[17] = new Array('20','18','=18') subcat[18] = new Array('20','19','=19') subcat[19] = new Array('20','20','=20') function changeselect1(locationid) { document.form1.s2.length = 0; document.form1.s2.options[0] = new Option('==请选择==',''); for (i=0; i<subcat.length; i++) { if (subcat[i][0] == locationid) {document.form1.s2.options[document.form1.s2.length] = new Option(subcat[i][1], subcat[i][2]);} } } //--> </script> <form name="form1"> 二级联动： <select name="s1" onChange="changeselect1(this.value)"> <option>==请选择==</option> <option value="10">1-10</option> <option value="20">11-20</option> </select> <select name="s2" onChange="alert(this.value)"> <option>==请选择==</option> </select> </form> <!-- 二级联动 Over --> <!-- 三级联动 Start --> <script language="JavaScript"> <!-- var subval = new Array(); subval[0] = new Array('10','单数','1','=1') subval[1] = new Array('10','双数','2','=2') subval[2] = new Array('10','单数','3','=3') subval[3] = new Array('10','双数','4','=4') subval[4] = new Array('10','单数','5','=5') subval[5] = new Array('10','双数','6','=6') subval[6] = new Array('10','单数','7','=7') subval[7] = new Array('10','双数','8','=8') subval[8] = new Array('10','单数','9','=9') subval[9] = new Array('10','双数','10','=10') subval[10] = new Array('20','单数','11','=11') subval[11] = new Array('20','双数','12','=12') subval[12] = new Array('20','单数','13','=13') subval[13] = new Array('20','双数','14','=14') subval[14] = new Array('20','单数','15','=15') subval[15] = new Array('20','双数','16','=16') subval[16] = new Array('20','单数','17','=17') subval[17] = new Array('20','双数','18','=18') subval[18] = new Array('20','单数','19','=19') subval[19] = new Array('20','双数','20','=20') function changeselect2() { document.form2.s2.length = 0; document.form2.s2.options[0] = new Option('==请选择==',''); document.form2.s2.options[1] = new Option('选择单数','单数'); document.form2.s2.options[2] = new Option('选择双数','双数'); document.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==',''); } function changeselect3(sub1,sub2) { document.form2.s3.length = 0; document.form2.s3.options[0] = new Option('==请选择==',''); for (i=0; i<subval.length; i++) { if ((subval[i][0] == sub1) & (subval[i][1] == sub2)) {document.form2.s3.options[document.form2.s3.length] = new Option(subval[i][2], subval[i][3]);} } } //--> </script> <form name="form2"> 三级联动： <select name="s1" onChange="changeselect2()"> <option>==请选择==</option> <option value="10">1-10</option> <option value="20">11-20</option> </select> <select name="s2" onChange="changeselect3(document.form2.s1.value,this.value)"> <option>==请选择==</option> </select> <select name="s3" onChange="alert(this.value)"> <option>==请选择==</option> </select> </form> <!-- 三级联动 Over -->
相关标签:
相关推荐
2026-04-14
专题
+ 收藏
最新数据
相关文章
使用Apparat框架优化Flash
一场关于YUI3/jQuery的精彩辩论
从if else到switch case再到抽象
BigPipe:高性能的"流水线技术"网页
跨域资源共享的10种方式
WEB移动应用框架构想
GC与JS内存泄露
三谈Iframe自适应高度
HTML5 WebSockets基础使用教程
精简高效的CSS命名准则和方法
AI精选
融合 Salvador Dal
Ghormeh Sabzi 的
豪华浴室镜面自拍提示词
超写实清晨卧室场景
Anya Taylor-Joy 高级时装编辑肖像
高定卡哇伊时尚杂志人像
超写实香水产品摄影
夜间泳池中的霓虹红连体衣造型
阳台上酷似 Sadie Sink 的照片级写实肖像
带有动态模糊效果的黑白电影感肖像
脚本推荐
SeeDance 2.0 Video Creator专区
OpenClaw AI专区
cowork专区
claude code skills专区
