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 .

Scope in JS, determines the accessibility of variables and functions at various parts in one’s code. In general terms, the scope will let us know at a given part of code, what are the variables and ...

Each scope acts as a container in which variables and functions can be declared. While JavaScript is executing code within a scope, it only has access to variables declared in the current scope, ...

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 ...