[javascript] Converting JavaScript object with numeric keys into array

You can use Object.assign() with an empty array literal [] as the target:

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const input = {_x000D_
  "0": "1",_x000D_
  "1": "2",_x000D_
  "2": "3",_x000D_
  "3": "4"_x000D_
}_x000D_
_x000D_
const output = Object.assign([], input)_x000D_
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console.log(output)
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If you check the polyfill, Object.assign(target, ...sources) just copies all the enumerable own properties from the source objects to a target object. If the target is an array, it will add the numerical keys to the array literal and return that target array object.

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