Does the backend support MVC in the popular SPA?

I saw someone asking this question on Weibo yesterday. I have the same idea. From my first project to the present, all projects are completely isolated from the front and back ends. For example, the front end uses Angular, and the back end is only responsible for dealing with databases and outputting JSON. So can various MVC frameworks, such as the V layer, be acceptable? I saw someone asking this question on Weibo yesterday, and I have the same idea.
From my first project to the present, all projects are completely isolated from the front and back ends. For example, the front end uses Angular, and the back end is only responsible for dealing with databases and outputting JSON.
Can I skip the V layer of various MVC frameworks?
What are the disadvantages of SPA apps Besides unfriendly SEO?

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I saw someone asking this question on Weibo yesterday. I have the same idea.
From my first project to the present, all projects are completely isolated from the front and back ends. For example, the front end uses Angular, and the back end is only responsible for dealing with databases and outputting JSON.
Can I skip the V layer of various MVC frameworks?
What are the disadvantages of SPA apps Besides unfriendly SEO?

The biggest drawback should be the fear of encountering old browsers like IE8. In addition, when the client disables js, what should we do.