Task 4: Create variables of different data types (number, string, boolean, object, array) and log each variable's type using the typeof operator. Task 5: Declare a variable using let, assign it an ...

It's absolutely critical that you understand how to scope your variables correctly. Making mistakes in this basic process can cause your application to fail or otherwise behave unexpectedly. If you're ...

"There are only two hard things in Computer Science: cache invalidation and naming things." Note: For this, and all of the subsequent code in gray boxes, you should press shift + enter to ensure that ...

Let's dive into some practical advice on naming conventions, variable management and code organization to keep dot sourced scripts efficient, consistent and secure.