leafiy
5/18/2018 - 6:53 PM

大写字符串首字符 #js

none

大写字符串首字符.js
content_copyfile_download
const capitalize = ([first,...rest], lowerRest = false) =>
first.toUpperCase() + (lowerRest ? rest.join('').toLowerCase() : rest.join(''));
// capitalize('myName') -> 'MyName'
// capitalize('myName', true) -> 'Myname'