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Add a class to the HTML <body> tag with React?

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广开言路
广开言路 2021-01-30 16:57

Im making a modal in my React project that requires a class to be added to the body when the modal is open and removed when it is closed.

I could do this the old jQuery

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  • 你的背包
    你的背包 (楼主)
    2021-01-30 17:08

    Actually you don't need 2 functions for opening and closing, you could use document.body.classList.toggle

    const [isOpen, setIsOpen] = useState(false)
useEffect(() => {
  document.body.classList.toggle('modal-open', isMobileOpen);
},[isOpen])

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