JavaScript实现页面局部时间刷新的完整代码示例

<head>
<title></title>
<script type="text/javascript">
function GetTime() {
var time = new Date();
var year = time.getFullYear();
var month = time.getMonth() + 1; // 月份索引从0开始
var day = time.getDate(); // 需使用getDate()方法
var hour = time.getHours();
var minute = time.getMinutes();
var sec = time.getSeconds();
var timestring;
if (minute < 10) {
timestring
= year + "-" + month + "-" + day + " " + hour + ":0" + minute + ":" + sec;
            }
} else {
timestring
= year + "-" + month + "-" + day + " " + hour + ":" + minute + ":" + sec;
            }
// div元素不具备value属性
document.getElementByIdx_x("timeDiv").innerHTML = timestring;
window.setInterval("GetTime()", 1000);
        }
</script>
</head>
<body onload="GetTime()">
<div id="timeDiv">
</div>
</body>