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Most form bugs aren't about sending data. They're about telling the user what's wrong at the right time. Show an error the moment someone types the f

A plain file input works, but it is not a great experience. Users expect to drag files from their desktop onto the page, see thumbnails before anythi

For years, Formik was the default answer to "how do I build forms in React?" It took the tedious parts of controlled forms, like tracking values, tou

A form can look polished and still be unusable for a large group of people. A screen reader user tabs into an input and hears "edit text" with no ide

Every form input in React has a value, and something has to own it. Either React holds the value in state and pushes it into the input on every rende

A surprising number of React bugs come from the same root cause: storing a value in state that could have been calculated from other values. A filter