Parse isoutcdatetime

I want to parse isoutcdatetime "2011-03-18T00:开发者_高级运维00:00Z" to get "2011-03-18". Anyone knows how to parse it? Thanks

It looks like you just want the substring, which isn't parsing:

var dateString = "2011-03-18T00:00:00Z".substring(0, 10));