Beginner · Lesson 3 of 12
Working with data types
Numbers, text, and true-or-false values behave differently. Adding numbers calculates a sum; combining strings joins text. Convert a value deliberately before using it in a calculation.
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
36
Make it your own
Store a price and a quantity, then calculate their product.
A quick check
Which habit helps when learning working with data types?