関連ワード:  javascript return last letter of string    js return last letter of string    javascript return last character of string    javascript get last character of string    javascript get last element of string    javascript find last character of string    js get last 3 letters of string    javascript get last 4 characters of string    javascript get last 2 characters of string    javascript get last 3 characters of string  
結果 : javascript return last letter of string