react componentDidMount not firing

Question

I set up a new react project and for some reason, the componentDidMount method is not being called.

I have verified this behavior by placing a call to

Answer 1

I have the create-react-app template. I added the ComponentDidMount into the App Component. I put a console.log and an alert into it. It does not fire and there are no errors in React or the browser. I tried in chrome and firefox.

FIX: what worked for me was rebooting my pc. Then it started working. I do not know why, but this resolve the issue.

Update: Not I have an uppercase 'C' it is 'componentDidMount' not 'ComponentDidMount'.. I think it's time for sleep.