gistfile1.js

var foo = function() {
	var funcs = [];
	for (var i=0; i < 5; i++) {
		funcs[i] = function() {alert("The number is " + i);};
	}
	return funcs
};
var f = foo()
f[0](); // You will expect this to show a box with 0
f[4](); // And this to show a box with 4. But they both show 5.