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Angelos Chalaris
2020-09-15 16:28:04 +03:00
parent 040efd4380
commit 53c16dbf65
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snippets/unionWith.md
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@ -5,7 +5,7 @@ tags: array,function,intermediate
Returns every element that exists in any of the two arrays once, using a provided comparator function.
Create a `Set` with all values of `a` and values in `b` for which the comparator finds no matches in `a`, using `Array.prototype.findIndex()`.
- Create a `Set` with all values of `a` and values in `b` for which the comparator finds no matches in `a`, using `Array.prototype.findIndex()`.
```js
const unionWith = (a, b, comp) =>
@ -14,4 +14,4 @@ const unionWith = (a, b, comp) =>
```js
unionWith([1, 1.2, 1.5, 3, 0], [1.9, 3, 0, 3.9], (a, b) => Math.round(a) === Math.round(b)); // [1, 1.2, 1.5, 3, 0, 3.9]
```
```