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Day 99/100 🚀 Learned JavaScript form validation — understanding why validation matters, using the Constraint Validation API, and adding custom validation with JavaScript. #100DaysOfCode #JavaScript ...
I built a simple validation tool that checks user input before submission-handling things like empty values, whitespace, and numeric inputs. This looks good at first glance, but it actually flags 0 as ...
Username Validation Must be at least 5 characters long If not valid, an error message is displayed: “Username must be at least 5 characters long” Password ...
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