http://jc-dreaming.iteye.com/blog/754690
/**
*判断对象是否为空
*Check whether string s is empty.
*/
function isEmpty(s)
{
return ((s == undefined || s == null || s == "") ? true : false);
}
js检测是否为数字
http://hi.baidu.com/zhoufeng0401/blog/item/bb18f989a03d8a9fa4c2720f.html
js检测IP地址是否合法
http://www.hicoogle.com/js-detect-the-ip-address-is-legitimate.html
时间: 2025-01-13 18:02:03