Web Reference: Jul 20, 2025 · When you built up the "Guess the number" game in the previous article, you may have found that it didn't work. Never fear — this article aims to save you from tearing your hair out over such problems by providing you with some tips on how to find and fix errors in JavaScript programs. One common problem is when a function you've written isn't executing as you'd expect. This guide will guide you through the potential pitfalls and provide solutions to get your function running... If your code "does nothing", the console often tells you why. Normally (otherwise follow the steps at the bottom of this page), you activate debugging in your browser with the F12 key, and select Console in the debugger menu.
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