Bootstrap 4离线模式Popover失效：求正确JavaScript引用链接

Bootstrap 4's Popover component won’t work without three key JavaScript files, and they must be included in the correct order. Here’s exactly what you need to set up offline:

Required Files (In This Exact Order) #

• jQuery: Bootstrap 4 depends on jQuery 1.9.1 or newer. Make sure you’ve downloaded the minified version (jquery.min.js) locally.
• Popper.js: This library handles positioning for popovers and tooltips—Bootstrap 4 can’t render popovers without it. Grab popper.min.js.
• Bootstrap JS: The core Bootstrap JavaScript file (bootstrap.min.js) that includes the popover functionality.

Example Local Script Includes #

Assuming you’ve saved all these files in a js folder in your project, add these right before the closing </body> tag:

<!-- jQuery -->
<script src="js/jquery.min.js"></script>
<!-- Popper.js -->
<script src="js/popper.min.js"></script>
<!-- Bootstrap Core JS -->
<script src="js/bootstrap.min.js"></script>

Initialize Popovers Manually #

Even with the data-toggle="popover" attributes in your HTML, Bootstrap 4 doesn’t auto-initialize popovers by default. Add this script right after the ones above to enable all popovers on your page:

<script>
$(document).ready(function() {
  $('[data-toggle="popover"]').popover();
});
</script>

Verify Your HTML #

Your existing popover markup looks correct, but here’s a complete version to confirm all attributes are present:

<div class="container">
  <h3>Popover Example</h3>
  <a href="#" title="Header" data-toggle="popover" data-placement="top" data-content="Content">Top</a>
  <a href="#" title="Header" data-toggle="popover" data-placement="bottom" data-content="Content">Bottom</a>
  <a href="#" title="Header" data-toggle="popover" data-placement="left" data-content="Content">Left</a>
  <a href="#" title="Header" data-toggle="popover" data-placement="right" data-content="Content">Right</a>
</div>

Just double-check that your local file paths match where you’ve stored the JS files, and you should see popovers working offline as expected.

内容的提问来源于stack exchange，提问作者medusa eyeofskadi