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20 lines
420 B
20 lines
420 B
4 years ago
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# `crossJoin()`
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The crossJoin method cross joins the collection with the given array or collection, returning all possible permutations:
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```js
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const collection = collect([1, 2]);
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const joined = collection.crossJoin(['a', 'b']);
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joined.all();
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// [
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// [1, 'a'],
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// [1, 'b'],
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// [2, 'a'],
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// [2, 'b'],
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// ]
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```
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[View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/crossJoin.js)
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