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<html><body><h1>JavaScript Dates</h1><h1>The setSeconds() Method</h1><p>setSeconds() can set the seconds and milliseconds of a date object.</p><p id="demo"></p><script>const d = new Date("2025-01-15");d.setSeconds(35, 825);document.getElementById("demo").innerHTML = d.getSeconds() + ":" + d.getMilliseconds();</script></body></html>