<html>
<head>
<title>本案例演示定时器使用</title>
<style>
#container1 { width:980px;height:100px; margin:0px auto;border:1px #0000ff solid; }
#test1,#test2,#test3,#test4,#test5{float:left;width:150px;height:50px; margin:20px 20px 20px 20px;border:1px #ff0000 solid; }
</style>
<script language = "JavaScript">
这里怎样添加函数?
</script>
</head>
<body>
<div id="container1">
<div id="test1">0</div>
<div id="test2">显示当前系统时间</div>
<div id="test3">倒计10</div>
<div id="test4">开始计时</div>
<div id="test5">停止计时</div>
</div>
</body>
<head>
<title>本案例演示定时器使用</title>
<style>
#container1 { width:980px;height:100px; margin:0px auto;border:1px #0000ff solid; }
#test1,#test2,#test3,#test4,#test5{float:left;width:150px;height:50px; margin:20px 20px 20px 20px;border:1px #ff0000 solid; }
</style>
<script language = "JavaScript">
这里怎样添加函数?
</script>
</head>
<body>
<div id="container1">
<div id="test1">0</div>
<div id="test2">显示当前系统时间</div>
<div id="test3">倒计10</div>
<div id="test4">开始计时</div>
<div id="test5">停止计时</div>
</div>
</body>