関連ワード:  javascript take the first character of a string    javascript get the first character of a string    javascript remove the first character of a string    javascript check the first character of a string    javascript get the first two characters of a string    javascript get the first 4 characters of a string    javascript remove the first and last character of a string    javascript get the first letter of a string    js remove first char of a string    javascript replace the first character of a string  
結果 : javascript take the first character of a string