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This article mainly shows you the "Require function parameters in JavaScript how to use", the content is easy to understand, clear, hope to help you solve doubts, the following let Xiaobian lead you to study and learn "how to use Require function parameters in JavaScript" this article.

Parameters of Require function

Being able to set default values for function parameters is a great addition to JavaScript, but take a look at this tip, which requires passing values for a given parameter:

Const isRequired = () = > {throw new Error ('param is required');}; const hello = (name = isRequired ()) = > {console.log (`hello ${name}`)}; / / This will throw an error because no name is providedhello (); / / This will also throw an errorhello (undefined); / / These are goodwill hello (null); hello (' David'); these are all the contents of the article "how to use Require function parameters in 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!

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