Assume that the header has the following code snippet:

<script>
   var a = document.getElementById("id1");
   alert(a);
</script>

What's wrong with this code snippet?

Which function can be used to stop an event from propagating if you're using a W3C-compliant browser?

Result of c in the following code snippet? var a = '1'; b = 2 * a; c = typeof(b);

Which screen object property returns the total width of the screen?

You can map CSS properties to style properties by ... .

One way to add functions to an object is by ... .

Consider the following code: Var vNew=new Date() Which options will return true?

Why does (0 <5 < 3) return true?

Which object can be used to ascertain the protocol of the current URL?

Which code snippet renders a button invisible?

Var profits=2489.8237 Which produces the following output? Output : 2489.824