验证汉字

验证手机

验证非空

/**
*验证前后时间
**/
function _verificationTime(){
	var a1 =$("#surveyDateStart").val();
	var a2 =$("#surveyDateEnd").val();
	if (a1.value != '' && a2.value != ''){
		var d1 = a1.split(' ');
		var d2 = a2.split(' ') ;
		if(d1[0] == d2[0]){
			var a = new Date(a1.replace(/-/g, '/'));
			var b = new Date(a2.replace(/-/g, '/'));
			if(b <= a){
				return false;
			}else{
				return true;
			}
		}else{
			return false;
		}
	}
}

实际例子

		if(activityStateDate==null||activityStateDate==""){
			   alert("活动举办开始时间");
			   return "";
		}
		if(activityEndDate==null||activityEndDate==""){
			   alert("活动举办结束时间");
			   return "";
		}
		var d1 = activityStateDate.split(' ');
		var d2 = activityEndDate.split(' ') ;
		var a = new Date(activityStateDate.replace(/-/g, '/'));
		var b = new Date(activityEndDate.replace(/-/g, '/'));
		if(b <= a){
			alert("结束时间必须大于开始时间");
			return "";
		}