What is the value of b in the following code snippet?

var a = Array(5);
var b = a[0];

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 is not a valid method in generator-iterator objects in JavaScript?

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'};