Material for this slide includes: 1. What is API (Application Programming Interface)? 2. Advantage of API for web development 3. What is SweetAlert2 API? 4. How to use SweetAlert2 API? 5. Example of SweetAlert2 API 6. What is DataTables API? 7. How to use DataTables API? 8. Example of DataTables API 9. What is WYSIWYG (CKEditor 4) API? 10. How to use CKEditor 4 API? 11. Example of CKEditor 4 API