https://repl.it/CT42/2 created by codeangler

CT42-2.js

favouriteColor = "green";
function showColor() {
	var secondFavouriteColor = "red";
	console.log(favouriteColor);
	console.log(secondFavouriteColor);
}
showColor();
console.log(favouriteColor);
// doesn't display as local scope
	console.log(secondFavouriteColor);

CT42-2_console_dump.txt

Native Browser JavaScript
>>> green
red
green
ReferenceError: secondFavouriteColor is not defined