`

jHeartbeat 心跳自动出发

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jHeartbeat 是一个jQuery 的插件,用来定时执行某项任务,例如定时向服务器发送请求;定时更新页面元素等等,特别适合用在聊天室开发上。

使用方法:

<script type=”text/javascript” src=”js/jquery.js”></script>
<script type=”text/javascript” src=js/jheartbeat.js”></script>
<script type=”text/javascript”>
$(document).ready(function(){
$.jheartbeat.set({
url: “data.php”, // The URL that jHeartbeat will retrieve
delay: 1500, // How often jHeartbeat should retrieve the URL
div_id: “test_div” // Where the data will be appended.
, function (){
// Callback Function
});
});
});
</script>
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