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Object.fromEntries is the inverse of Object.entries. It will take key-value pairs and return a new object. You can use it on Arrays and Maps.

We got Object.entries() which converts an object → array. But what if you want to do the reverse? Wonder no more! Use Object.fromEntries() to array → object 👏

const keyValuePair = [
  ['cow', '🐮'],
  ['pig', '🐷'],
];

Object.fromEntries(keyValuePair);
// { cow: '🐮', pig: '🐷' }

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samanthaming.com

JavaScript Object.fromEntries()

Object.fromEntries is the inverse of Object.entries. It will take key-value pairs and return a new object. You can use it on Arrays and Maps. We got Object.entries() which converts an object → array. But what if you want to do the reverse? Wonder no more! Use Object.fromEntries() to array → object 👏

3.10 GEEK