Summary

Explore how to enhance data integrity through defining and enforcing constraints at the model level in MVC applications. Understand data conversions between UI, model, and storage layers, and learn about responsive validation that provides real-time user feedback. This lesson helps you implement reliable validation and constraint logic in your JavaScript front-end app to ensure data consistency and usability.

We'll cover the following...

Key takeaways

1.Introduction

2.The Foundations of Web Apps

3.Javascript Fundamentals

4.Building a Minimal Web App with Plain JS in Seven Steps

5.Integrity Constraints and Data Validation

6.Constraint Validation in Plain JS

7.Enumerations

8.Enumeration Attributes in Plain JS

9.Reference Properties and Unidirectional Associations

10.Implementing Unidirectional Functional Associations

11.Implementing Unidirectional Non-Functional Associations

12.Bidirectional Associations

13.Implementing Bidirectional Associations

14.Subtyping and Inheritance

15.Subtyping with Plain JS

16.Conclusion

Summary

Key takeaways