module("About Scope (topics/about_scope.js)");

thisIsAGlobalVariable = 77;

test("global variables", function() {

equal(77, thisIsAGlobalVariable, 'is thisIsAGlobalVariable defined in this scope?');

});

test("variables declared inside of a function", function() {

var outerVariable = "outer";

// this is a self-invoking function. Notice that it calls itself at the end ().

(function() {

var innerVariable = "inner";

equal('outer', outerVariable, 'is outerVariable defined in this scope?');

equal('inner', innerVariable, 'is innerVariable defined in this scope?');

})();

equal('outer', outerVariable, 'is outerVariable defined in this scope?');

equal('undefined', typeof(innerVariable), 'is innerVariable defined in this scope?');

});