関連ワード:  javascript select first character of a string    javascript get first character of a string    javascript check first character of a string    javascript get first character of string uppercase    javascript select first n characters of string    javascript get first letter of a string    javascript get the first two characters of a string    javascript get only first character of string    javascript get first 3 character of string    javascript get first 2 character of string  
結果 : javascript select first character of a string