JavaScript Date.getTimezoneOffset() 方法详解

Date.getTimezoneOffset()

<html>
<head>
<title>JavaScript getTimezoneOffset Method</title>
</head>
<body>
<script type="text/javascript">
  var dt = new Date();
  var tz = dt.getTimezoneOffset(); 
  document.write("getTimezoneOffset() : " + tz ); 
</script>
</body>
</html>

getTimezoneOffset() : -330