JavaScript Closures plus Link to Open Source Book

JavaScript Closures plus Link to Open Source Book

by Nirvanachain

HTML

<!-- Helpful Book:
https://github.com/getify/You-Dont-Know-JS/blob/master/scope%20&%20closures/ch5.md 
-->
<a target="_blank" href="https://github.com/getify/You-Dont-Know-JS/blob/master/scope%20&%20closures/ch5.md">Helpful Open Source Book</a>

JavaScript

function foo() {
    var a = 2;

    function bar() {
        console.log( a );
    }

    return bar;
}

var baz = foo();

baz(); // 2 -- Whoa, closure was just observed, man.