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  1. React

    React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in …

  2. A React hook that tells if the component is mounted. · GitHub

    Component is actually mounted during SSR, it's just the didMount event is not fired until client-side React.hydrate (). E.g. if you have …

  3. React Tutorial - W3Schools

    React is a JavaScript library for building user interfaces. React is used to build single-page applications. React allows us to create …

  4. Getting started with React - Learn web development | MDN

    Aug 18, 2025 · Getting started with React Previous Overview: JavaScript frameworks and libraries Next In this article we will say …

  5. Why need setState func Inside useEffect func on this code

    Oct 14, 2022 · The reason for calling setMounted (true) is to indicate that the component is mounted. The callback function in …

  6. What does it mean for a component to be mounted in ReactJS ?

    Jul 23, 2025 · For a component to be mounted in ReactJS it means to be initialized and inserted in the DOM. Mounting is the initial …

  7. React (software) - Wikipedia

    React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [6][7] that aims to make building …

  8. useMounted (React) | Snippets • Soorria Saruva

    Apr 2, 2021 · useMounted (React) Returns whether the current component is mounted. Useful for SSR stuff (e.g. with Next.js).

  9. react - npm

    React is a JavaScript library for creating user interfaces. The react package contains only the functionality necessary to define React …

  10. React hook for telling if the app is mounted • Josh W. Comeau

    May 4, 2020 · Avoid weird SSR issues with this handy React hook. Know whether you're rendering on the client or server!