window.frames is a collection of all of the ___ in the current page.

What's the output? var a = {f: 'object'}; var b = {f: 'object'}; var c = a == b;

Consider the code snippet given below: var a = {a1: 1, a2: 2}; var b = 0; for (i in a) { b += a[i]; } Which is true?

What's the output? var a = document.getElementById('id1'); a.onclick = function1();

What's the output? var a = [1, 2, 3]; delete a[1]; alert(a[1]);

Which methods and properties can you use to change CSS class of an element?

When setting cookies with JavaScript, what will happen to the cookies.txt data if the file exceeds the maximum size?

Consider the following image definition: Which will change the image to companylogo2.gif when the page loads?

Which objects in JavaScript contains the collection called 'plugins'?

Consider the following code snippet: var myJSONObject = {'ircEvent': 'PRIVMSG', 'method': 'newURI', 'regex': '^http://.*'}; What is the best way to remove the property 'regex', so the result would be this code snippet? myJSONObject == {'ircEvent': 'PRIVMSG', 'method': 'newURI'};

The following are sample code on how to loop through JavaScript object literals with objects as members: Var validation_messages = { 'key_1' : { 'your_msg' : 'hello world' } , 'Key_2' : {'your_name' : 'billy', 'your_msg' : 'foo equals bar' } } Which are invalid native JavaScript codes?