How to use Sets in ES6

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Sets1 uses Set to realize array deduplication

In ES6, because Set stores only unique values, you can use Set to delete duplicates.

Let arr = [1, 1, 2, 2, 3, 3]; let deduped = [... new Set (arr)] / / [1,2,3] 2 use array methods for Set

You can simply convert Set to an array using the extension operator. So you can use all of Array's native methods for Set.

For example, we want to filter the following Set to get items greater than 3.

Let mySet = new Set ([1Jing 2,3,4,5]); var filtered = [... mySet] .filter ((x) = > x > 3) / / [4,5] Thank you for reading! This is the end of the article on "how to use Sets in ES6". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!