Bootstrap 4 Dropdown Menu not working?

Edit: In case anyone else is having this problem, I believe the solution for OP was that he had not imported popper.js.

Check that jQuery and all the relevant Bootstrap components are there. Also check the console and make sure there are no errors.

<!DOCTYPE html>
<html lang="en">
<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

  <!-- Bootstrap CSS -->
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M" crossorigin="anonymous">
</head>
<body>
  <nav class="navbar navbar-expand-lg navbar-light bg-light">
    <a class="navbar-brand" href="#">Navbar</a>
      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarNavDropdown">
      <ul class="navbar-nav">
        <li class="nav-item active">
          <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Features</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Pricing</a>
        </li>
        <li class="nav-item dropdown">
          <a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
        Dropdown link
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
          <a class="dropdown-item" href="#">Action</a>
          <a class="dropdown-item" href="#">Another action</a>
          <a class="dropdown-item" href="#">Something else here</a>

Related Posts:

  1. Failed to load resource: the server responded with a status of 404 (Not Found)
  2. Failed to load resource: the server responded with a status of 404 (Not Found)
  3. How can I scroll to an element using jQuery?
  4. What is the meaning of == $0 that is shown in inspect element of google chrome for the selected element [duplicate]
  5. Bootstrap Dropdown menu is not working
  6. Change Background color (css property) using Jquery
  7. Set timeout for ajax (jQuery)
  8. How does the data-toggle attribute work? (What’s its API?)
  9. CSS height 100% percent not working
  10. Use images like checkboxes
  11. Completely disable scrolling of webpage
  12. Uncaught TypeError: Cannot read property ‘top’ of undefined
  13. Full-screen iframe with a height of 100%
  14. How to print HTML content on click of a button, but not the page?
  15. Why is the jquery script not working?
  16. Textarea Auto height
  17. Why is marquee deprecated and what is the best alternative?
  18. Refresh/reload the content in Div using jquery/ajax
  19. How to write inside a DIV box with javascript
  20. How to get height of div in px dimension
  21. Crop the image using JavaScript
  22. Force div to be topmost element of any and all webpages
  23. Retrieve the position (X,Y) of an HTML element
  24. How to display raw JSON data on a HTML page
  25. how to display a div triggered by onclick event
  26. Why is jquery show() not working in example
  27. jQuery scrollTop() method not working
  28. Change an image with onclick()
  29. JavaScript – Count Number of Visitor for Website
  30. Creating Accordion Table with Bootstrap
  31. Fully responsive HTML5 video
  32. How to create checkbox inside dropdown?
  33. Positioning
  34. Adding Google Translate to a web site
  35. Cannot read property ‘style’ of undefined — Uncaught Type Error
  36. How to make HTML element resizable using pure Javascript?
  37. How to use aria-expanded=”true” to change a css property
  38. How to set “style=display:none;” using jQuery’s attr method?
  39. WordPress Bootstrap Handburger Menu Wont Open
  40. Hide CSS class only in single post pages
  41. Maximum call stack size exceeded error
  42. Google Chrome Uncaught (in promise) DOMException while playing AUDIO
  43. ChartJS beginAtZero, min, max doesn’t work
  44. how to fix : ” TypeError: Cannot read property ‘addEventListener’ of null”…?//
  45. Cannot set property InnerHTML of null [duplicate]
  46. ReferenceError: $ is not defined
  47. React.js: Set innerHTML vs dangerouslySetInnerHTML
  48. jQuery.click() vs onClick
  49. Set cookie and get cookie with JavaScript
  50. Failed to load resource: net::ERR_FILE_NOT_FOUND loading json.js
  51. Get class name using jQuery
  52. How to clear the canvas for redrawing
  53. Bootstrap 4 Sticky Footer Not Sticking
  54. How to change css property using javascript
  55. JavaScript get element by name
  56. JavaScript Loading Screen while page loads
  57. display variable image using cookies
  58. character counter – backspace doesn’t reflect on characters remaining
  59. Open URL in same window and in same tab
  60. Create table with jQuery – append
  61. How to convert selected HTML to Json?
  62. How to Open New window on every Click
  63. Cannot read property ‘getContext’ of null, using canvas
  64. How to add multiple classes to a ReactJS Component?
  65. How to move an element after another element using JS or jquery?
  66. getBoundingClientRect is not a function
  67. Change text on hover, then return to the previous text
  68. Mixed Content Page: requested an insecure stylesheet error
  69. How to create a HTML Cancel button that redirects to a URL
  70. Scroll to bottom of div?
  71. Clearing my form inputs after submission
  72. Reload an iframe with jQuery
  73. How to change the buttons text using javascript
  74. “Uncaught TypeError: a.indexOf is not a function” error when opening new foundation project
  75. How to change the text of a label?
  76. Using “&times” word in html changes to ×
  77. How do I store an array in localStorage?
  78. Getting or changing CSS class property with Javascript using DOM style
  79. Changing the selected option of an HTML Select element
  80. img onclick call to JavaScript function
  81. Bootstrap Collapse not Collapsing
  82. How to scroll to top of page with JavaScript/jQuery?
  83. How to embed an autoplaying YouTube video in an iframe?
  84. The value of attribute [ data-type ] must be in double quotes – custom html widget error
  85. Adding JavaScript to a WordPress website
  86. How to display post content in the block editor
  87. My Button Default Click Is Not Working In WordPress Using Javascript Code
  88. Make a script work within a page
  89. Link to page with posts of specific type
  90. prevent HTML output if custom field is empty [closed]
  91. WordPress getting css and script files from client machine rather than the server machine
  92. Add Paypal button redirect to a specific page after completing
  93. Can’t Listen to KeyDown in TInyMCE Iframe (jQuery) and Pass it to Parent HTML FORM
  94. jQuery for Fade Preload Causes My Site Favicon to Disappear from Tab of Browser
  95. Element works, but not on wordpress site [duplicate]
  96. Making the HTML list to a checkbox tree with the plugin jstree [closed]
  97. dropdown does not work [closed]
  98. How do I cycle a JS function in WordPress? [closed]
  99. Styling parent based on a child element of a child in a WordPress page
  100. I have custom html mixed with inline javascript that I want added to my WordPress site, how do I achieve this?

Leave a Comment