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Remove duplicates from an Array in JavaScript

Updated on     Kisan Patel

You can easily remove duplicates from an array by converting it to a set and back to an array in JavaScript.

Example:

//An Array with duplicated elements
const cities = ['London', 'New York', 'Mumbai', 'New York'];

//The set will automatically remove duplicates
const citiesSet = new Set(cities);

//Create back an array
const uniqueCities = Array.from(citiesSet);

JavaScript Typescript

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