Javascript日期 - 如果适用，领先0天数和月份 [英] Javascript date - Leading 0 for days and months where applicable

问题描述

在白天或月份小于10日的前一天，是否有干净的方式添加0？

Is there a clean way of adding a 0 in front of the day or month when the day or month is less than 10:

var myDate = new Date();
var prettyDate =(myDate.getFullYear() +'-'+ myDate.getMonth()) +'-'+ myDate.getDate();

这将输出为：

2011-8-8

我希望它是： / p>

I would like it to be:

2011-08-08

推荐答案

不，没有什么好办法。你必须诉诸如：

No, there is no nice way to do it. You have to resort to something like:

var myDate = new Date();

var year = myDate.getFullYear();

var month = myDate.getMonth() + 1;
if(month <= 9)
    month = '0'+month;

var day= myDate.getDate();
if(day <= 9)
    day = '0'+day;

var prettyDate = year +'-'+ month +'-'+ day;

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