js把字符串(yyyymmdd)转换成日期格式(yyyy-mm-dd)

时间:2019-01-29 14:46:01   收藏:0   阅读:435

1、第一种写法:

var r="20112233".replace(/^(\d{4})(\d{2})(\d{2})$/, "$1-$2-$3")

2、第二种写法: 

var dateString = ‘19930701‘;
var pattern = /(\d{4})(\d{2})(\d{2})/;
var formatedDate = dateString.replace(pattern, ‘$1-$2-$3‘);

  

原文:https://www.cnblogs.com/mentiantian/p/10333804.html

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