Closures in JavaScript

Closures in JavaScript

What You'll Be Creating

Understanding Closures

To recap the concepts outlined in the video, note that:

We covered the concept of variable scope. Specifically, we talked about the following two items:

  • Global Scope is a variable with global scope is accessible everywhere.
  • Local Scope is a variable with local scope is accessible only within a function body.

In Summary

Closure is what happens when we manipulate variable scope in our functions. We might do this either to make variable contents accessible where they would not otherwise be, or to protect a variable from unwanted access.

Source: Tuts Plus

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