To enable emmet so HTML tags to auto complete in Visual Code when you are writing React code, these are the simple steps:

  1. Hit Control + , to open settings tab
  2. Click on the "Workspace" tab
  3. Click on "Extensions"
  4. Click on "Emmet"
  5. Under Emmet > Include Languages  > Edit in settings.json
  6. Under the "emmet.includeLanguages" enter the following:
  7. "javascript": "javascriptreact"
  8. Save
  9. Try your HTML code again and see it autocomplete with intelligence

TIP: settings.json should look something like this:

{
    "emmet.excludeLanguages": [
        "markdown"
    ],
    "emmet.includeLanguages": {
        "javascript": "javascriptreact"
    }
}