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?

The element must have an id attribute.

Question 2

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

The value of the id attribute.

Question 3

What does the document.getElementById() method return?

Returns the element with the specified id. If the element is found, it returns that element. If not, it returns null.

Question 4

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

The document object.


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

Sign Up Form

Complete this form to sign up