How to find duplicate elements in an array using javascript

This article mainly introduces the JS method of finding repeated elements inarrays, and compares and analyzesjavascriptforarray traversaland judgment based on specific examples. , sorting and other related operation skills, friends in need can refer to

This article describes the method of finding duplicate elements in an array using JS. Share it with everyone for your reference, the details are as follows:

JS’sdata typehas an array. Today we will talk about a kind of processing of arrays. I believe many people have encountered finding unique elements from an array, but what I encountered was finding duplicate elements from an array.

There are many ways to find unique elements from js arrays. Here is one:

The running effect diagram is as follows:

The following is a method of retrieving duplicate elements from a js array:

The running effect is as follows:

The above is the detailed content of How to find duplicate elements in an array using javascript. For more information, please follow other related articles on the PHP Chinese website!