JavaScript Scope

JavaScript Scope - Reference Error

by tchaffee

HTML

<script src="https://rawgit.com/eu81273/jsfiddle-console/master/console.js"></script>

JavaScript

function bar () {
  var foo = 2;
  console.log(foo); // logs 2
}

bar();

console.log(foo); // ReferenceError: foo is not defined;