Building Front-End Web Applications with Plain JavaScript

Data Type Testing

Explore how to accurately test data types in JavaScript by using triple equality operators to prevent unintended type coercion. Learn about differences between literals and constructors for objects and arrays, and understand true empty objects and type conversions.

We'll cover the following...

How is testing done?

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

Data Type Testing

How is testing done?