//获取当前时间,格式 2015-09-05 10:00:00.000
function getnowtime() {
var nowtime = new Date();
var year = nowtime.getFullYear();
var month = padleft0(nowtime.getMonth() + 1);
var day = padleft0(nowtime.getDate());
var hour = padleft0(nowtime.getHours());
var minute = padleft0(nowtime.getMinutes());
var second = padleft0(nowtime.getSeconds());
var millisecond = nowtime.getMilliseconds(); millisecond = millisecond.toString().length == 1 ? "00" + millisecond : millisecond.toString().length == 2 ? "0" + millisecond : millisecond;
return year + "-" + month + "-" + day + " " + hour + ":" + minute + ":" + second + "." + millisecond;
}
//补齐两位数
function padleft0(obj) {
return obj.toString().replace(/^[0-9]{1}$/, "0" + obj);
}
$("#selectbtn").click(function(){
var dates=$("#timearea").val();
var arr=new Array();
arr=dates.split(" - ");
var now=getnowtime();
alert(arr[0]);
alert(now);
if($("#timearea").val()==‘‘){
alert("请选择时间段");
}else if(arr[0]>now){
alert("查询起始日期不能大于当前日期");
}else{
$("#select").submit();
}
});
jquery获取当前时间比较日期
原文：https://www.cnblogs.com/yixing/p/8995757.html
