The Problem of Automatic Complement in vim

  question, vim

In vim80, vim test.js
I entered 5 characters setIn, and now I want to call automatic completion, and setInerval will appear to prompt me.

I found that under insert mode, ctrl+x ctrl+o resulted in the following error

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If you enter a bean dot. ctrl+xcl+o, it appears

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Can’t the kind of completion prompt I hope for be produced?

You can try.https://github.com/Valloric/Y …
Super easy to use