in place addition

Author: caleywoods

topics/about_control_structures.js

@@ -8,15 +8,15 @@ $(document).ready(function(){
 		if (2 > 0) {
 			isPositive = true;
 		}
-		equals(isPositive, __,  'what is the value of isPositive?');
+		equals(isPositive, true,  'what is the value of isPositive?');
 	});
 
 	test("for", function() {
 		var counter = 10;
 		for (var i = 1; i <= 3; i++) {
 			counter = counter + i;
 		}
-		equals(counter, __, 'what is the value of counter?');
+		equals(counter, 16, 'what is the value of counter?');
 	});
 
 	test("for in", function() {
@@ -28,7 +28,7 @@ $(document).ready(function(){
 		var result = "";
 		// for in enumerates the property names of an object
 		for (property_name in person) {
-			result = result + property_name;
+      result += property_name;
 		};
 		equals(result, __, 'what is the value of result?');
 	});