yangsu · January 29, 2013 20:46
diff --git a/javascript-scope.js b/javascript-scope.js
 // x is defined in the body of the if, but can be referenced outside
 if (true) {
  var x = 5;
 }
 console.log(x);

 (function () {
  var x = 10;
  console.log(x); // 10
 })();

 console.log(x); // 5
	// x is defined in the body of the if, but can be referenced outside
	if (true) {
	var x = 5;
	}
	console.log(x);

	(function () {
	var x = 10;
	console.log(x); // 10
	})();

	console.log(x); // 5