How to implement date comparison in JS

This article will introduce to you how to implement date comparison in JS. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Method one:

function compareDate（dateTime1，dateTime2）
{
    var formatDate1 = new Date（dateTime1）；
    var formatDate2 = new Date（dateTime2）；
    if（formatDate1 > formatDate2）
    {
        return formatDate1;
    }
    else
    {
        return formatDate2;
    }
}
//测试代码：
var date = compareDate（“2019-05-01”，“2019-05-05”）；//须将日期转换成“YYYY-MM-DD”格式

Method two:

var myDate=new Date();
myDate.setFullYear(2008,8,9);

var today = new Date();

if (myDate>today)
{
alert("Today is before 9th August 2008");
}
else
{
alert("Today is after 9th August 2008");
}

[Recommended learning: javascript advanced tutorial]

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