Javascript Absolute Beginner's Guide, 3rd Edition

24

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:

let sunny = false;
let traffic = true;

Congratulations. If you just know this, you are 80 percent of the way there in fully understanding how booleans operate. Of course, 80 percent isn’t really adequate ...