写法一:
let name = 'hello'
name.charAt(0).toUpperCase() + name.slice(1)
写法二:
let name = 'hello'
name.slice(0, 1).toUpperCase() + name.slice(1)
写法三:
let name = 'hello'
name.substring(0, 1).toUpperCase() + name.substring(1)
网友回复
写法一:
let name = 'hello'
name.charAt(0).toUpperCase() + name.slice(1)
写法二:
let name = 'hello'
name.slice(0, 1).toUpperCase() + name.slice(1)
写法三:
let name = 'hello'
name.substring(0, 1).toUpperCase() + name.substring(1)
网友回复