Advanced · Lesson 12 of 12
A first algorithm
An algorithm is a repeatable procedure for solving a problem. Counting values is one example: begin with zero, inspect each item, and update the count when it matches. Check the empty collection and a collection with no matches.
Try it for yourself
Run the example, then change one thing and see what happens.
main.jsYour ideas, in code.
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Run your code to see the output here.
Ready to buildUTF-83 lines
Expected output
3
Make it your own
Change the numbers and predict how many even values remain.
A quick check
Which habit helps when learning a first algorithm?