findKeys javascript Code Snippet in 2024
objectbeginner
Last Updated: 20 April 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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