My, what big ears you have! Novice JavaScript programmers adjust Mickey's ears to be proportional with his face and any changes to it. The key is to use variable expressions so that the values used are dependent upon the variable that can be adjusted. After all, with Mickey, it's all about the ears. 

Concepts

javascript, computer code, Computer Programming, technology resources

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Additional Tags

programming in javascript

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Pros

• The results from changes in code are immediately displayed so coders can develop a deeper understanding of their code
• Simple, easy-to-follow steps are broken down to help a variety of learners
• Students who want to explore and advance on their own are free to try other options and learn by experimenting independently

Cons

• As the changes required to a program get more complicated, it is important for users to read the directions carefully and follow the activity step-by-step. Failure to do so may result in a correct solution not being recognized.