create-target-array-in-the-given-order_0225.html

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<html lang="en">
<head>
    <meta charset="UTF-8">
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    <title>create-target-array-in-the-given-order</title>
</head>
<body>
    
</body>
<script>
const nums = [0,1,2,3,4],
index = [0,1,2,2,1];

console.log(createTargetArray(nums, index));

/**
 * @param {number[]} nums
 * @param {number[]} index
 * @return {number[]}
 */
 function createTargetArray(nums, index) {
    let result = [];
    // 在数组里插入使用slipce
    index.forEach((index_insert, index_num) => {
        result.splice(index_insert, 0, nums[index_num]);
    })
    return result
};
</script>
</html>