Описание тега array-difference
Used for questions concerning the difference between arrays. For example, where elements in two arrays differ from each other, or subtracting the content of one array from another.
Since the tag can be broadly applied to any programming language that supports arrays, use use one or more additional tags in order to help identify the specific language the question relates.
An array is a data structure that encompasses a group of elements. When working with arrays there can be a requirement to determine the difference between two or more arrays, and this tag is for questions relating specifically to finding that difference.
The difference between arrays can be determined in a number of ways, including finding where elements within the array differ, and can include operations such as subtracting the contents of one array from another to produce an outcome.