JavaScript function not defined

I hope this link works (I'm new to plunkr, if you are new to it as well, it is sort of a public sandbox where you can collaborate on code snippets in HTML, JavaScript, CSS, and numerous frameworks like jQuery, AngularJS)

I have an <input> tag of type button wired to a JavaScript function call.  When I click the button I want to grab the values of the text boxes and set the ticks for the respective animations so the speed-up or slow down.  Just a "proof of concept" trivial app for my own purposes.  : )

What have I missed?
Tom KnowltonWeb developerAsked:
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Alexandre SimõesManager / Technology SpecialistCommented:
What is it that actually doesn't work?

I've just added a var before your variables and print to console the value:

It seems to work... I had no javascript errors
Tom KnowltonWeb developerAuthor Commented:
Can't get to at the moment....
RobOwner (Aidellio)Commented:
I updated it so you don't need to press the button but just changing the values in the textboxes will change the speed

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Tom KnowltonWeb developerAuthor Commented:
Rob - your plunkr works great and solved the problem.

Thank you both!
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