In the W3C model, which of the following methods can you use to prevent default behavior of an event?

Value of c in the following code? function a() {} a.prototype.version = '1.8'; var b = new a(); var c = b.prototype.version;

What's the output? ( function(name){ alert(name + ' programming language'); } )(' JavaScript ');

What's the output? function a() {alert(x);} function b() {var x = 'function b'; a();} b();

screen.pixelDepth is not available in Internet Explorer 7.

In javascript, functions can be declared without names

Analyze the following code snippet which uses a Javascript Regular Expression character set. What will be the output of this code?

How can created cookies be deleted using JavaScript?

An image tag is defined as follows: The purpose of the ImageChange() function is to change the image source to Image2.jpg. Which of the following should the ImageChange() function look like?

Which will check whether the variable vRast exists or not?

Which one changes an image on the page?