| Understand Drupal's JavaScript architecture |
JavaScript Architecture |
| Define a JavaScript library |
Library Definitions |
| Choose core dependencies |
Core Dependencies |
| Load scripts in header or footer |
Header vs Footer Loading |
| Attach libraries via PHP |
Library Attachment Methods |
| Load JavaScript conditionally |
Conditional Loading |
| Initialize JavaScript on page load and AJAX |
Drupal.behaviors Pattern |
| Prevent duplicate initialization |
Once API |
| Pass PHP data to JavaScript |
drupalSettings |
| Manipulate the DOM safely |
DOM Manipulation |
| Integrate with Drupal AJAX |
AJAX Integration |
| Handle user interactions and events |
Event Handling |
| Use ES6+ features |
ES Modules and Modern JavaScript |
| Add JavaScript to SDC components |
JavaScript in SDC Components |
| Optimize JavaScript performance |
Performance Optimization |
| Enable aggregation and minification |
Aggregation and Minification |
| Use defer and async attributes |
Defer and Async Attributes |
| Debounce or throttle events |
Debounce and Throttle |
| Prevent XSS and secure JavaScript |
Security |
| Test JavaScript functionality |
Testing JavaScript |
| Avoid common mistakes |
Common Anti-Patterns |
| Review code quality standards |
Best Practices Summary |