DOM Objects Worksheet

Question 1

In order to use the document.getElementById() method to 'get a handle' on an element, what attribute must that element have?

An id attribute

Question 2

When you invoke document.getElementById(), you must pass in a string parameter. What does the parameter represent?

The id attribute that you set on whatever you're getting a handle on

Question 3

What does the document.getElementById() method return?

The object the browser made with whatever ID you put in as a peramiter.

Question 4

What object is at the top of the DOM? In other words, what DOM object contains all other DOM objects?

The window is at the top, then it's document.


Coding Problems

You'll use the following elements to complete the coding problems:

Problem 1


Problem 2
A bald eagle

Problem 3
This is myDiv


Problem 4

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