2015-04-21变成04-21，，vue

Question

vue里的日期处理 2015-04-21变成04-21

Answer 1

str.substring(5,str.length)

Answer 2

"2015-04-21".replace(/\d+-/,'')

Answer 3

"2015-04-21".replace(/(\d{4}-)(\d{2}-)(\d+)/,function($1,$2,$3,$4){return $3+$4})

$1是原字符串，$2是第一个元组即2015- $2是第二个元组即04- ..