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findKeys javascript Code Snippet in 2024

objectbeginner

Last Updated: 7 November 2024

Finds all the keys in the provided object that match the given value.

  • Use Object.keys(obj) to get all the properties of the object.
  • Use Array.prototype.filter() to test each key-value pair and return all keys that are equal to the given value.
const findKeys = (obj, val) => Object.keys(obj).filter(key => obj[key] === val);
const ages = { Leo: 20, Zoey: 21, Jane: 20, }; findKeys(ages, 20); // [ 'Leo', 'Jane' ]

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