Lesson 02 · 12 min
Strings and numbers
Build text from data without getting NaN in the output.
12 minLesson 2 of 10Practice includedAsk AI on any point
Almost any interface is text built from data: "tea: 3 pcs — 450 ₽". Gluing it together with pluses is awkward, and it's easy to mess up the spaces. That's what template strings are for.
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