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