What is the conventional way to write JavaScript function?

Editor to share with you what the conventional writing of the JavaScript function is, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Conventional writing: / / the definition of the function function foo () {alert ('conventional writing'); the call to the function foo () JavaScript 1.JavaScript is mainly used to add interactive behavior to the HTML page. 2.JavaScript can be embedded directly into HTML pages, but writing as a separate js file facilitates the separation of structure and behavior. 3.JavaScript has cross-platform features and can run on multiple platforms with the support of most browsers.

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