超简单js计算2个时间相差多少天

直接看举例:

n1 = "2021-10-25 18:29:59"
var dateBegin = new Date(n1); //可以把n1转化成“Mon Oct 25 2021 18:29:59 GMT+0800 (中国标准时间)”
var date = new Date(); //获取当前时间
var result = date.getTime() - dateBegin.getTime(); 
var joinTime = Math.floor(result / (24 * 3600 * 1000)); 
console.log(joinTime ) 

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转载自blog.csdn.net/weixin_48585264/article/details/121557369
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