Bootstrap JS 未正確加載

Question

所以，我正在嘗試在 React 應用程序中使用 Bootstrap。 Bootstrap CSS 可以正常工作，但是任何需要 Bootstrap JS 文件的東西都不起作用（下拉菜單、模式等）這是我的代碼。 我什至嘗試復制起始模板並改用它。 它不起作用。

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8" />
  <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <meta name="theme-color" content="#000000" />
  <meta name="description" content="Web site created using create-react-app" />
  <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
  <!--
      manifest.json provides metadata used when your web app is installed on a
      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
    -->
  <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
  <!--
      Notice the use of %PUBLIC_URL% in the tags above.
      It will be replaced with the URL of the `public` folder during the build.
      Only files inside the `public` folder can be referenced from the HTML.

      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
      work correctly both with client-side routing and a non-root public URL.
      Learn how to configure a non-root public URL by running `npm run build`.
    -->
  <title>React App</title>

  <!-- Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/css/bootstrap.min.css" rel="stylesheet"
    integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">

</head>

<body>
  <noscript>You need to enable JavaScript to run this app.</noscript>
  <div id="root"></div>
  <!--
      This HTML file is a template.
      If you open it directly in the browser, you will see an empty page.

      You can add webfonts, meta tags, or analytics to this file.
      The build step will place the bundled scripts into the <body> tag.

      To begin the development, run `npm start` or `yarn start`.
      To create a production bundle, use `npm run build` or `yarn build`.
    -->


  <!-- Bootstrap JS -->
  <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
    integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
    crossorigin="anonymous"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js"
    integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh"
    crossorigin="anonymous"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"
    integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ"
    crossorigin="anonymous"></script>

    <!-- FontAwesome JS -->
    <script src="https://kit.fontawesome.com/8f8a8c35a9.js" crossorigin="anonymous"></script>
</body>

</html>

我究竟做錯了什么？ 感謝你的幫助：：）））

Answer 1

您正在為 CSS 和 JS 使用不同版本的 Bootstrap

5.0： https://getbootstrap.com/docs/5.0/getting-started/download/#cdn-via-jsdelivr

4.6： https://getbootstrap.com/docs/4.6/getting-started/download/#jsdelivr

Bootstrap JS 未正確加載

問題描述

1 個解決方案

解決方案1
3 已采納 2021-04-02 13:40:21

Bootstrap JS 未正確加載

問題描述

1 個解決方案

解決方案1 3 已采納 2021-04-02 13:40:21

解決方案1
3 已采納 2021-04-02 13:40:21