Then you should be ready to tackle the Test your skills for functions! But see the notes below for some advice. As always, submit your work (for review or help) by committing your code here at GitHub.

Functions reduce the repetition of code within a program — Function allows you to extract commonly used blocks of code into a single component. Now you can perform the same task by calling this ...

In JavaScript, though, the same code is perfectly fine: This is because JavaScript scopes your variables to functions and not to if-blocks. But, we can achieve block-like scope through the use of ...