FAQ: Functions and Operations - For Loops

This community-built FAQ covers the “For Loops” exercise from the lesson “Functions and Operations”.

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This exercise can be found in the following Codecademy content:

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It said in this exercise that the keywords through and to are interchangeable in Sass. But when I tried and replaced the through keyword with to, I had to use $total+1 instead of $total to see the same result. why is that?

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Apparently, the keywords through and to are NOT interchangeable in Sass.

With to, the iteration stops one step before the value specified after to.

This is useful if the list item index starts from zero, like JavaScript arrays. Then use to and specify the stopping value as the number of list items, all the list items, referenced with its index, will be covered in the loop.