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

thisIsAGlobalVariable = 77;

test("global variables", function() {

equals(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";

equals(outerVariable, __, 'is outerVariable defined in this scope?');

equals(innerVariable, __, 'is innerVariable defined in this scope?');

})();

equals(outerVariable, __, 'is outerVariable defined in this scope?');

var isInnerVariableDefined = true;

try {

innerVariable

} catch(e) {

isInnerVariableDefined = false;

}

equals(isInnerVariableDefined, __, 'is innerVariable defined in this scope?');

});