関連ワード:  javascript get last x characters from string    javascript get x characters from string    javascript get last n characters of string    javascript get last 10 characters of string    javascript get last n chars of string    javascript remove last x characters from string    javascript get n character from string    javascript remove last n characters from string    javascript remove last 10 characters from string    javascript get only 10 characters from string  
結果 : javascript get last x characters from string