Stop Using :invalid and :valid Pseudo-Classes. Use THIS Instead! - CSS Weekly

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Stop Using :invalid and :valid Pseudo-Classes. Use THIS Instead!VideoMay 15, 2026Zoran JamborA quick tip showcasing why you should use :invalid and :valid CSS pseudo-classes on your input fields.
A quick tip showcasing a better way to handle inline form validation using CSS than resorting to JavaScript or CSS hacks, such as input:not🙂placeholder-shown):invalid {}.
Instead of :invalid and :valid CSS pseudo-classes on your input fields, use :user-invalid and :user-valid CSS pseudo-classes, which only trigger when the user interacts with the input field.pseudo-classesinputformsform validationuxADOne CSS change broke checkout. Nobody noticed until users did.ADBuild any web layout, with confidence.AI Developer NewsletterA short, friendly roundup of the most useful tools, ideas, and real-world examples—curated specifically for developers like you.Subscribe Today »CSS Weekly YouTube ChannelWeekly hands-on tutorials, tips, tools, news, and more — everything related to CSS and front-end development, created by Zoran Jambor.Subscribe Today »

 

[KemalDogan21]

Teşekkürler, arkadaşlarıma da önereceğim.

 

[BilalBulut_web]

Bu konuda deneyimim var, gerçekten önemli bir mesele.