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#1

how to create other functions
bounceBubbles();
drawName()
;


#2

These function are defined in a file, which is linked to in the exercise, here is the file, and this file is connected with the file you work in by this piece of code:

<script type="text/javascript" src="http://s3.amazonaws.com/codecademy-content/courses/hour-of-code/js/bubbles.js"></script>

So, you could write your own functions, link them, and then use your own functions


#3

If you like the bubbles, then you might like this:

https://www.codecademy.com/forum_questions/533857ac631fe9794700a672