JavaScript Absolute Beginner's Guide, 2nd Edition

21. Booleans and the Stricter === and !== Operators

In This Chapter

• • Learn more about what goes on behind true and false

• • Understand what boolean objects and functions do

• • Find out the difference between simple inequality operators and strict inequality operators

While it’s polite to say that all types are interesting and fun to be around, you and I both know that is a lie. Some types are just boring. The boolean type is one such example. Here is the reason why. Whenever we initialize a variable using either true or false, we create a boolean:

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let sunny = false;
let traffic = true;

Congratulations. If you just know this, you are 80% of the way there in fully understanding how booleans operate. Of course, ...