benaston · June 11, 2014 15:11
diff --git a/variable-scoping.js b/variable-scoping.js
 'use strict';

 var x;

 function Func() {
  x = "foo";
  var y = "bar";
 }

 Func();
 console.log(x); //logs 'foo' because the scope chain is searched for a variable named `x` on line 6
 console.log(y); //logs 'ReferenceError: y is not defined' because `y` is scoped to function Func
	'use strict';

	var x;

	function Func() {
	x = "foo";
	var y = "bar";
	}

	Func();
	console.log(x); //logs 'foo' because the scope chain is searched for a variable named `x` on line 6
	console.log(y); //logs 'ReferenceError: y is not defined' because `y` is scoped to function Func