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JavaScript日期相关的几个函数封装

关键词: javascript

JavaScript日期相关的几个函数封装

```
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>code</title>
</head>
<body>
<script type="text/javascript">
Date.prototype.clone=function(){
    return new Date(this.valueOf());
};
/*一个日期当天的两个端点*/
function getDatePoint(date){
    var start=date.clone();
    var end=date.clone();
    start.setHours(0);
    start.setMinutes(0);
    start.setSeconds(0);
    end.setHours(23);
    end.setMinutes(59);
    end.setSeconds(59);
    return {
        "start":start,
        "end":end
    };
}
/*两个日期间隔的毫秒数*/
function getDiffMillisecond(startDate,endDate){
    return endDate.getTime()-startDate.getTime();
}
/*当前时间与当天结束时间点相差的毫秒数*/
function getMillisecond(){
    var date=new Date();
    var point=getDatePoint(date);
    var diff=getDiffMillisecond(date,point.end);
    return diff;
}
/*使用*/
var point=getDatePoint(new Date());
console.log(point);
var diff=getDiffMillisecond(point.start,point.end);
console.log(diff);
var has=getMillisecond();
console.log(has);
</script>
</body>
</html>
```

admin
2016-12-27 17:41:14
javascript

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JavaScript日期相关的几个函数封装