Web Explained
An Autofill Hint for a Verification Code Does Not Perform the Verification
A sign-in form may offer to fill a code received through another channel. That convenience concerns entering the code; the service still has to decide…
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Files & Formats
A Text Limit May Count More Than the Symbols You See
A message box can reject text even when your visible character count seems to fit. One possible explanation is that the interface and your count are using…
Web Explained
A Date-and-Time Field Can Leave the Time Zone Unspecified
A booking form can display a precise date and clock time while still leaving an important question unanswered: whose time zone does that value represent?…
Web Explained
A Form Button Can Submit Even When Its Label Says Something Else
A button labelled “Show example” may look like a harmless helper, yet unexpectedly submit the surrounding form. The visible words describe an intention; the…
Web Explained
A Hidden Form Field Is Hidden from the Layout, Not from the Visitor
A form can carry a value that has no visible box on the page. That can help preserve context, but it should not be mistaken for a place where information…
Web Explained
Turning Spellcheck On Does Not Guarantee Every Browser Will Check the Text
A red underline can be helpful, but its absence does not prove that a word is correct. Spellchecking depends on the editing context, browser support,…
Web Explained
A Datalist Offers Suggestions Without Necessarily Restricting the Answer
A text field may offer a small list as you type and still accept a value absent from that list. Suggestions and enforced choices are different interface…
Web Explained
A Date on a Webpage Can Have a Separate Machine-Readable Value
A webpage can display “9 October” while marking the date in its underlying HTML as 2026-10-09. The visible wording and the structured value serve different…