there are still some things about this picture that we don"t understand. We can see that there are two ways from render function to DOM
Why is there a second way
render function -> getter-> watcher is to collect dependencies and record the value objects that need to be observed.
normally takes the second path, that is, render function generates a new virtual DOM, and compares it with the existing virtual DOM to find out the differences, and then updates the DOM.
just can t show it. Thank you very much for your advice. ...
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