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Outlining the Problem

In this lesson, you will program a button to behave differently depending on user input. The button can either cause an error message to appear or cause the movie to proceed to the next screen of the simulation. The elements necessary to make this work are input text fields, a button, an error message, and a script that brings it all together. You already have the text fields and button, so this lesson will focus on building a functioning error message and the script.

At the end, you will also prevent the cursor from turning into a hand every time the user rolls over a hotspot.


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