Ben Borgers

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How to remove duplicates in an array in JavaScript

Let’s say you have this array:

const myArray = ["red", "blue", "green", "blue", "blue", "orange", "green"]

But you only want each item to appear once.

Here’s how you turn that array into an array where each item only appears once.

const uniqueArray = [...new Set(myArray)]

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Last updated January 24, 2021