dep.notify
Our data Object has already implemented the setter via Object.defineProperty, so when our message changes, the code will execute there immediately
update
The process of performing getters, i.e. vue render and update, is also the process of generating VNodes and converting them into real DOM. After the update, our DOM is updated.
The last
This process is their own in the browser interrupt point of the way step by step debugging out, although before also read a lot of online source code analysis of Vue, but most are superficial, and did not form a deep understanding of their own. Therefore, I want to deepen my understanding of VUE in this way. You pass by the gods please give advice!