Remove duplicates from array in JavaScript – the only right way

Published: 20 September 2018
on channel: Robin Pokorny

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There is an easy and idiomatic way to remove duplicates from an array in JavaScript. It is probably the shortest, too.

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To play with the code: http://jsbin.com/duduvel/8/edit?js,co...

It works when you want to remove duplicate numbers or duplicate strings from an array. To remove duplicate objects we have to use a different approach and I present two algorithms.

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