Question

我在下面的代码中有一些困惑它是否正常工作？ implmenetation

var TodaysDate = new Date();                  
var cdd = TodaysDate.getDate();
var cmm = TodaysDate.getMonth()+1;
var cyy = TodaysDate.getFullYear();
var dates = '27-04-2015';
var dates1 = dates.split("-");
var newDate = dates1[1]+"/"+dates1[0]+"/"+dates1[2];
var currenttimestamp = new Date(cmm+'/'+cdd+'/'+cyy).getTime(); 



if(newDate < currenttimestamp){
    alert('test');
} else {
    alert('test1');
}

Answer 1

您需要在两个日期使用.getTime()来比较它们。

var dates = '27-04-2015';
var dates1 = dates.split("-");
var newDate = dates1[1]+"/"+dates1[0]+"/"+dates1[2];
newDate = new Date(newDate).getTime();
var currenttimestamp = new Date().getTime(); 
if(newDate < currenttimestamp){
    alert('test');
} else {
    alert('test1');
}

<强> DEMO

Answer 2

您错过了将新日期转换为时间戳

var newdate = new Date(dates1[1]+"/"+dates1[0]+"/"+dates1[2]).getTime();

代码只需写

var dates = '27-04-2015';
var dates1 = dates.split("-");
var newdate = new Date(dates1[1]+"/"+dates1[0]+"/"+dates1[2]).getTime();
var currenttimestamp = new Date().getTime(); // current time stamp

if(newDate < currenttimestamp){
    alert('test');
} else {
    alert('test1');
}

fiddle

时间戳比较无法正常工作

2 个答案: