联动选择菜单-JS特效-爱易网页

联动选择菜单

日期：2014-05-18　浏览次数：20415 次

欢迎光临爱易网网页脚本特效中心，点击运行按钮演示特效：

以下是程序代码

脚本说明:
把如下代码加入<body>区域中

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')

二级联动：

</form>

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==','');
}

三级联动：

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