Single Page Application
Modern CRUD operations with AJAX and RESTful API
| Profile | Name | Gender | Age | State | Country | Department | Actions |
|---|
About Single Page Applications
This implementation demonstrates a modern Single Page Application (SPA) architecture built with JavaScript, AJAX, and RESTful APIs.
Key Benefits
- Improved user experience with no page reloads
- Reduced server load with partial data transfers
- Clean separation between frontend and backend
- Enhanced interactivity for better user engagement
Considerations
- Increased complexity in JavaScript code
- SEO challenges for content loaded via AJAX
- Dependency on JavaScript being enabled
- Requires careful security implementation
Technical Implementation
This SPA uses modern web development patterns to create a seamless user experience:
The application loads data from the server without refreshing the page:
$.ajax({
url: "/api/employee",
type: "GET",
contentType: "application/json;charset=utf-8",
dataType: "json",
success: function(result) {
$('#EmpSinglePage').DataTable({
data: result,
// Configuration options...
});
},
error: function(errormessage) {
// Error handling...
}
});Form validation happens on the client side for immediate feedback:
// Modern form validation using Bootstrap 5
const validateForm = () => {
const form = document.getElementById('employeeForm');
if (!form.checkValidity()) {
event.preventDefault();
event.stopPropagation();
form.classList.add('was-validated');
return false;
}
form.classList.add('was-validated');
return true;
};The SPA follows RESTful principles for API interactions:
- GET - Retrieving all employees or a specific employee
- POST - Creating a new employee
- PUT - Updating an existing employee
- DELETE - Removing an employee