How JavaScript checks the properties of an object through a for-in loop

This article mainly introduces how JavaScript checks the properties of objects through the for-in loop, which has a certain reference value, and interested friends can refer to it. I hope you can learn a lot after reading this article.

Check the properties of an object through a for-in loop

The following usage prevents iterations from entering the prototype properties of the object.

For (var name in object) {if (object.hasOwnProperty (name)) {/ / do something with name}} Thank you for reading this article carefully. I hope the article "how JavaScript checks the properties of objects through the for-in loop" shared by the editor will be helpful to you. At the same time, I also hope that you will support and pay attention to the industry information channel. More related knowledge is waiting for you to learn!