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Aug 26, 2026 · Frontend Development

The Long-Awaited CSS Magic Property: field-sizing for Auto‑Growing Textareas

field-sizing, now supported in Chrome 123, Safari 26.2, and Firefox 152, lets textarea and other form controls automatically adjust their height (or width) to fit content, eliminating the need for JavaScript‑based resize scripts, while still allowing developers to set min‑ and max‑size constraints.