Learn to master repetition in JavaScript with while and do-while loops: understand their syntax, how while repeats while a condition stays true and do-while guarantees one execution before checking, when to choose each, common pitfalls (keep conditions simple, prevent infinite loops), a login-attempts example, and further reading recommendations to write cleaner, reliable code.
A while loop executes code as long as a specified condition is true, with three main parts: condition, body, and increment/decrement. It repeats until the condition becomes false, useful for game development, data processing, and network requests.
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