How to get the unique value of an array by JavaScript

This article mainly shows you "JavaScript how to get the unique value of the array", the content is easy to understand, clear, hope to help you solve the doubt, the following let the editor lead you to study and learn "how to get the unique value of the array" this article.

Get the unique value of the array

ES6 provides two very concise ways to extract unique values from arrays. Unfortunately, they don't handle non-primitive arrays very well. In this article, we focus on basic data types.

Const cars = ['Mazda',' Ford', 'Renault',' Opel', 'Mazda'] const uniqueWithArrayFrom = Array.from (new Set (cars)); console.log (uniqueWithArrayFrom); / / outputs ["Mazda", "Ford", "Renault", "Opel"] const uniqueWithSpreadOperator = [. New Set (cars)]; console.log (uniqueWithSpreadOperator) / / outputs ["Mazda", "Ford", "Renault", "Opel"] these are all the contents of the article "how to get the unique value of an array by JavaScript". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!