02_add_closure.js

02_add_closure.js

// Exercise 2 - Closures
// Wrap the following code in a closure and export only the "countdown" function.

var countdown = function() {
    // Code
    var index;

    function log(){
        console.log(index);
    }

    function iterate(){
        log();
        if(index>1) setTimeout(iterate, 1000);
        index--;
    }

    return function(){
        index = 10;
        iterate();
    }
}()