関連ワード:  javascript get first letter of a string    javascript get first character of a string    javascript select first character of a string    javascript get first character of string uppercase    javascript get only first letter of string    javascript get first 3 letters of string    javascript get first n letters of string    javascript get first 2 letters of string    javascript get first 4 letters of string    javascript get first 5 letters of string  
結果 : javascript get first letter of a string