Next Greater Numerically Balanced Number LeetCode solution in JavaScript

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var nextBeautifulNumber = function (n) {
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  let l = [
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    1, 22, 122, 212, 221, 333, 1333, 3133, 3313, 3331, 4444, 14444, 22333,
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    23233, 23323, 23332, 32233, 32323, 32332, 33223, 33232, 33322, 41444, 44144,
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    44414, 44441, 55555, 122333, 123233, 123323, 123332, 132233, 132323, 132332,
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    133223, 133232, 133322, 155555, 212333, 213233, 213323, 213332, 221333,
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    223133, 223313, 223331, 224444, 231233, 231323, 231332, 232133, 232313,
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    232331, 233123, 233132, 233213, 233231, 233312, 233321, 242444, 244244,
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    244424, 244442, 312233, 312323, 312332, 313223, 313232, 313322, 321233,
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    321323, 321332, 322133, 322313, 322331, 323123, 323132, 323213, 323231,
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    323312, 323321, 331223, 331232, 331322, 332123, 332132, 332213, 332231,
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    332312, 332321, 333122, 333212, 333221, 422444, 424244, 424424, 424442,
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    442244, 442424, 442442, 444224, 444242, 444422, 515555, 551555, 555155,
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    555515, 555551, 666666, 1224444,
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  ];
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  for (let x of l) {
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    if (x > n) {
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      return x;
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    }
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  }
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};