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.

array-differ

Create an array with values that are present in the first input array but not additional ones

@sedeh/differentiate

Have you ever needed to compare two JSON objects and make a determination on what is changed deep in the object hierarchy and be able to clearly see what is changed on either objects on the fly while they change? Have you ever wished for ability to merge