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React: do something while all components are mounted

As in title: how can I do something while all components are mounted in React? I'd like to run script which needs all my components to be mounted.

Solution

  • React knows to mount first all child components before calling componentDidMount on the parent component.

    So, you can use componentDidMount callback method in your main component.

    As soon as the render method has been executed, the componentDidMount function is called. The DOM can be accessed in this method, enabling to define DOM manipulations or data fetching operations.