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<!DOCTYPE html> <html> <body> <h1>JavaScript Temporal.PlainDateTime</h1> <h2>The withPlainTime() Method</h2> <p>The withPlainTime() method returns a new PlainDateTime object with the time part replacedby a new time.</p> <p id="demo"></p> <script> const date = Temporal.PlainDateTime.from("2026-05-17T14:30:00"); const newDate = date.withPlainTime("15:45:00"); document.getElementById("demo").innerHTML = newDate.toString(); </script> </body> </html>
