您可以尝试运行以下代码以将日期的“时间”部分作为字符串返回 -
<html>
<head>
<title>JavaScript toLocaleTimeString Method</title>
</head>
<body>
<script>
var dt = new Date(2018, 0, 15, 14, 16, 30);
document.write( "Formated Date - Time : " + dt.toLocaleTimeString() );
</script>
</body>
</html>
