How does JavaScript exclude unwanted keys in Object

This article mainly introduces how JavaScript excludes unnecessary key values in Object, which has certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let Xiaobian take you to understand it together.

Excluding unwanted keys in Object

Since we can get the desired object key, we can also exclude the unwanted key, using the ES6 rest new feature

const obj = { a:1, b:2, c:3, d:4}//We want to get all attributes except a const {a,... other} = obj

We only need to specify the excluded attributes, and the remaining attributes are the required attributes. This can eliminate the unnecessary attributes very quickly.

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