When JavaScript uses for-in to traverse the internal properties of an object, pay attention to checking the properties

Editor to share with you how JavaScript uses for-in to traverse the internal properties of an object and pay attention to checking properties. I hope you will get something after reading this article. Let's discuss it together.

Check the properties when traversing the internal properties of an object using for-in

The following code snippet avoids accessing the properties of the prototype when traversing an object property

For (var name in object) {if (object.hasOwnProperty (name)) {/ / do something with name}} after reading this article, I believe you have a certain understanding of "JavaScript how to use for-in to check properties when traversing the internal properties of an object". If you want to know more about it, welcome to follow the industry information channel, thank you for reading!