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Instruction

DRY


[[LAUNCH_WORKSPACE]]

If you would like to follow along using JavaScript, you can fork this workspace.


<h2 id="dry" style="padding-top: 100px; margin-top: -100px;">DRY</h2>

Repeating yourself is a common mistake new programmers make. It can be easy when creating a project to not notice you’ve created the same variable twice or repeated some...