Remove duplicate by using one line of code – JavaScript

JavaScriptES6Set

There are many different ways to remove duplicates. Here we will be using JavaScript ES6 feature, see below example.

Sample list

let list = [1,2,2,3,4,5];

Now we need to remove duplicates.

new Set(list);

We have used JavaScript Set operator.

See the result

But we need in array format, for that we can use JavaScript spread operator.

[...new Set(list)]

See the result now

Here we have discussed about removing duplicates using JavaScript ES6 feature.

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