This course conforms to the Alberta Program of Studies for Career and Technologies Studies. The three essential operations of structured programming are Sequence, Selection and Iteration. Now it is time to refer to Sequence again. In Section 3 we will discuss Iteration.
Sequence is the most basic of the three.
Code located in the Head of a webpage document is always executed before code located in the Body of the document. We can take advantage of that fact to display images and create our own functions in the Head of the document. That way these things are available for the use of our main code in the Body of the document. Forms Forms are objects located in the Body of the document. A form can hold many interesting objects.