12 Project: Timer

This chapter covers

  • Creating the necessary scaffolding for a timer component
  • Implementing a fixed-duration timer
  • Homework: Adding advanced features to the timer

Welcome to this next project, where we’re going to build a countdown timer. It’s just like the timer app on your phone, only you build this one yourself! We’ll also get a bit more ambitious on your behalf in this exercise, so, compared to chapter 11, there will be less so, and guidance from us and more development work to figure out on your own. But don’t worry, you have our full trust and confidence—we know you can do it!

We’ll set up the foundations for the project for you, so you don’t have to mess too much with design or semantics. For that purpose, we’ve set up ...

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