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arr-diff

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arr-diff

Returns an array with only the unique values from the first array, by excluding all values from additional arrays using strict equality for comparisons.

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What is arr-diff?

The arr-diff npm package is used to compute the difference between one or more arrays, returning an array that contains the values from the first array that are not present in the other arrays.

What are arr-diff's main functionalities?

Basic array difference

This feature allows you to find the elements that are present in the first array but not in the subsequent arrays. The code sample demonstrates how to use arr-diff to filter out the numbers 2 and 4 from the array [1, 2, 3, 4, 5], resulting in [1, 3, 5].

[1, 2, 3, 4, 5].filter(arrDiff([2, 4]))

Multiple array difference

This feature is used to find the difference between one array and multiple other arrays. The code sample shows how to use arr-diff to filter out the numbers 2, 3, 4, and 5 from the array [1, 2, 3, 4, 5], resulting in [1].

[1, 2, 3, 4, 5].filter(arrDiff([2, 3], [4, 5]))

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Package last updated on 14 Apr 2017

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