Javascript Scoping

scope-fixed.js

#! /usr/bin/env node

function gen(val){
    return function(){
        console.log('My value is:' + val);
    }
}

var a = [1, 2, 3, 4, 5];
var fps = [];
for (var i = 0; i < a.length; i++){
    var value = a[i]
    fps.push(gen(value));
    console.log('Pushed function to print out value:' + a[i]);
}


for (var j = 0; j < fps.length; j++){
    console.log('Invoking function number:' + j);
    fps[j]();
}

scope.js

#! /usr/bin/env node
var a = [1, 2, 3, 4, 5];
var fps = [];
for (var i = 0; i < a.length; i++){
    var value = a[i]
    fps.push(function(){
        //console.log('My value is:' + a[i]);
        console.log('My value is:' + value);
    });
    console.log('Pushed function to print out value:' + a[i]);
}

for (var j = 0; j < fps.length; j++){
    console.log('Invoking function number:' + j);
    fps[j]();
}