Detailed explanation of conversion examples between js time and timestamp

This article brings you detailed examples of conversion between js time and timestamp, as follows

1. Convert timestamp to time

var formatDate = function(d) { 
var now = new Date(d);
var year = now.getFullYear();
var month = now.getMonth() + 1;
var date = now.getDate();
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSeconds();
return year + "-" + month + "-" + date + "   " + hour + ":" + minute + ":" + second;
}

2. Subtract a timestamp Go to the current timestamp to get the seconds

var dateDifference=function(expire_time){//返回秒数
var timestamp = Date.parse(new Date());//当前时间
timestamp=timestamp/1000;
expire_time=parseInt(expire_time/1000);//过期时间
return expire_time-timestamp;
}

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