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"Stop doing this in JS! (Your code will crash ❌)"

Most beginners validate input like this — but it fails for spaces 😳

Using trim() helps detect empty inputs correctly and avoids wrong validation ❌

A small fix… but very important in real projects 🚀

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#javascript #coding #webdev #learnjavascript #codingtips #frontend #js #programming #youtubeshorts

#validation #jstips

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Видео "Stop doing this in JS! (Your code will crash ❌)" канала Programming Tutor Tamil
javascript js error undefined vs not defined javascript basics js debugging learn javascript javascript for beginners coding mistakes common js errors web development programming basics frontend development js tutorial coding interview debug javascript trim() in javascript
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8 апреля 2026 г. 17:01:11
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