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问题描述
如果我有一个以毫秒为单位的日期时间,如何在JavaScript中检查它是否在今天的2年之内?到目前为止,我有以下内容:
If I have a date time in milliseconds, how do I check if its within 2 years of today in JavaScript ? So far, I have the following:
var yearInMs = ( 1000 * 60 * 60 * 24 * 7 * 52 );
var givenTime = 1519183763504;
var diff = givenTime - ( new Date().getTime());
diff = diff / yearInMs;
if( diff > 2 )
alert('more than 2 years');
这是正确的吗?如何解释leap年之类的事情?
Is this correct ? How do account for things like leap years ?
推荐答案
直到今天2年,看看它是否大于提供的日期或时间值,例如
Just at 2 years to today and see if it's greater than the supplied date or time value, e.g.
var d = new Date();
d.setFullYear(d.getFullYear() + 2);
if (d > 1519183763504) {
console.log('within 2 years')
} else {
console.log('Not within 2 years')
}
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