Why does "7" + 6 give "76" but "7" * "6" gives 42?
Hidden type conversions in JavaScript are everywhere — and they cause some of the most frustrating bugs.
In my new article, I explain how coercion really works, with a compact mental model and 3 focused examples (numbers vs. strings, arrays, dates). Once you see the patterns, implicit conversions stop being “quirks” and start working for you.
👉 Read the full guide and debug JavaScript with confidence.
https://javascript.plainenglish.io/hidden-conversions-in-javascript-what-to-know-in-2025-e385c986177f
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