You declared an array as follows:

var arr;

What value would JavaScript assign to an uninitialized element of this array?

You are designing a web site and need to set the background image for all the web pages. You want a small background image to repeat and fill up the whole background. Which of the following body styles is ideal for this?

Is the following statement correct? The width of an element must be set for making filters work.

Which help you highlight some of the running text on a web page?

You want to disable the selection of text on the webpage. While trying to select some text, the user should see 'not-allowed' cursor. Which help you implement this by using JavaScript and IE 5+ browser?

Which enables JavaScript Document Object Model to provide access to the HTTP header?

Which of the following is an INVALID event?

Which DHTML technology does the following code utilize? document.write(Date());

Event bubbling is useful because of which of the following reasons?

Which of the following code will display the text “Invisible Man”? <div id="name" class="person">The Invisible Man</div>

True or False? DHTML is a single technology.