Category: javascript
bootstrap navbar cards modals and alerts
Published on 30 Sep 2026
Explanation
A Bootstrap navbar provides a responsive navigation menu for web applications.
Code:
<nav class="navbar navbar-expand-lg bg-body-tertiary">
<div class="container">
<a class="navbar-brand" href="#">MyApp</a>
</div>
</nav>
Explanation
Bootstrap cards are useful for displaying products, users, courses, and other grouped content.
Code:
<div class="card" style="width: 18rem;">
<div class="card-body">
<h5 class="card-title">Java Course</h5>
<p class="card-text">Learn Java.</p>
</div>
</div>
Explanation
Bootstrap alerts provide contextual messages such as success, warning, and error notifications.
Code:
<div class="alert alert-success"> Registration successful! </div> <div class="alert alert-danger"> Login failed. </div>
Explanation
A Bootstrap modal displays content in a dialog overlay without navigating away from the current page.
Code:
<button class="btn btn-primary"
data-bs-toggle="modal"
data-bs-target="#loginModal">
Login
</button>
Explanation
Modals can contain forms, confirmation messages, or detailed information.
Code:
<div class="modal fade" id="loginModal">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-body">
Login Form
</div>
</div>
</div>
</div>