Why data in vue is a function

Xiaobian to share with you why the data in vue is a function, I believe most people still do not know how, so share this article for everyone's reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

Why is data in vue a function?

Vue specific lightweight framework, easy to learn, two-way data binding, componentization, separation of data and structure, virtual DOM, fast running speed and other advantages, Vue page use is partial refresh, do not have to request all data and dom every time you jump to the page, can greatly improve access speed and user experience.

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