We've learned a lot of things that are fundamental to programming, such as primitive and complex data types, conditionals, and loops. However, we still need a way to encapsulate logic and make it ...

A function is a statement or a group of statements that can be called anywhere in the program so that the statements inside the function do not need to be written over and over again. When writing ...

A function scope is in a way also a block scope, so let and constwould behave the same way they did in our previous examples. However, function scopes also encapsulate variables declared with var .

Achieving Block Scope With Immediate Functions In JavaScript 4 December, 2011. It was a Sunday. I was digging around on twitter and I found a great comment from @BenAtExocortex: “Javascript has no ...