July 2021

HTML Concepts: Constraint Validation

When a form element has attributes that define requirements for the element’s value, then these requirements—constraints—are being validated by the user agent. On the validation of constraints, validity states, and a link to CSS.

Published on July 27, 2021, filed under .

CSS: “:has()” and the Lost Paradigm

On the :has() pseudo-class and the forgotten school of ID- and class-less development.

Published on July 21, 2021, filed under .

The 3-Second Frontend Developer Test

“Do you validate?” Be a frontend developer who ships valid HTML and CSS; hire frontend developers who ship valid HTML and CSS. End the time of unconditionally accepted sloppiness in professional frontend development.

Published on July 14, 2021, filed under .

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