求救:关于SELECT的事件 直接在第一个Select的事件中调用另一个事件不就可以了 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <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> 获取搜狗浏览器的关闭事件 js怎么实现 文件夹浏览对话框、文件浏览对话框、进度条(类似VC的slider) 简单问题,正解即结贴 帮帮忙啦 关于弹出框的问题 网上找了很多都没有找到好的答案 js出现缺少分号的错误 javascript 如何进行字符串比较大小 我要实现一个这样的登录方法不知道该怎样实现?请高手帮忙! 请问在html页面中,如何用js操纵众多id呢? 请问jsp的编译器是什么,如何编写自己的第一个hello world程序? javacript 初学者的问题(急,急急急急!!!!!!!!!) 有没有这样的对象 请教关于函数体参数传递问题
<!--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>