関連ワード:  remove first item from an array javascript    remove first index from array javascript    remove first object from array javascript    remove first value from array javascript    remove first element from array javascript without mutation    pop first item from array javascript    remove 1st item from array javascript    remove first element from array javascript slice    remove first element from array javascript splice    remove first 2 items from array javascript  
結果 : remove first item from an array javascript