Coin Change 2 LeetCode solution in JavaScript

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var change = function (amount, coins) {
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  const dp = Array(amount + 1).fill(0);
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  dp[0] = 1;
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  coins.forEach((coin) => {
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    for (let num = coin; num <= amount; num++) {
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      dp[num] += dp[num - coin];
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    }
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  });
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  return dp[amount];
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};