splice removes array elements

splice removes array elements

    <script>
        var arr = new Array(6)
        arr[0] = "George"
        arr[1] = "John"
        arr[2] = "Thomas"
        arr[3] = "James"
        arr[4] = "Adrew"
        arr[5] = "Martin"
        console.log(arr);
        console.log(arr.splice(0,2));//从 第0个 开始删除2个数，  0 的话全删
        console.log(arr);
    </script>