How js deletes array elements

Editor to share with you js how to delete array elements, I believe that most people do not know much, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Delete array elements

If we want to delete an element in the array, we can use delete to do so, but after deletion, the element becomes undefined, does not disappear, and takes a lot of time to execute, which in most cases does not meet our needs. So you can use the array's splice () method to delete the array elements:

Const array = ["a", "b", "c", "d"] array.splice (0,2) / / ["a", "b"] these are all the contents of the article "how to delete array elements by js". 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!