関連ワード:  javascript get 1st character of string    javascript get first character of string uppercase    get first two characters of string javascript    javascript get only first character of string    javascript get first 3 character of string    javascript get first 2 character of string    javascript get first n characters of string    javascript get first 4 characters of string    javascript get first 10 characters of string    javascript get first 5 characters of string  
結果 : javascript get 1st character of string