定时器 setTimeout setInterval
2012-03-27 12:01
471 查看
1.代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
var i = 0;
var timeoutID,timeoutID2;
function a(){
i+=1;
$("#sp").html("计时（秒）："+i);
timeoutID = setTimeout(a,1000);
}
a();
$("#bt").click(function(){
alert(i);
clearTimeout(timeoutID) ;
});
$("#bt1").click(function(){
alert(i);
a() ;
});
timeoutID2 = setInterval(b,1000);
function b(){
var now = new Date();
$("#sp1").html('时间：'+now.toString());
}
$("#btn").click(function(){
clearTimeout(timeoutID2) ;
});
$("#btn1").click(function(){
timeoutID2 = setInterval(b,1000);
});
})
</script>
</head>
<body>
<input type="button" id="bt" value="计时停止"/>
<input type="button" id="bt1" value="计时继续"/>
<span id="sp"></span>
<br/>
<input type="button" id="btn" value="时间停止"/>
<input type="button" id="btn1" value="时间继续"/>
<span id="sp1"></span>
</body>
</html>
2.效果
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="../scripts/jquery-1.3.1.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
var i = 0;
var timeoutID,timeoutID2;
function a(){
i+=1;
$("#sp").html("计时（秒）："+i);
timeoutID = setTimeout(a,1000);
}
a();
$("#bt").click(function(){
alert(i);
clearTimeout(timeoutID) ;
});
$("#bt1").click(function(){
alert(i);
a() ;
});
timeoutID2 = setInterval(b,1000);
function b(){
var now = new Date();
$("#sp1").html('时间：'+now.toString());
}
$("#btn").click(function(){
clearTimeout(timeoutID2) ;
});
$("#btn1").click(function(){
timeoutID2 = setInterval(b,1000);
});
})
</script>
</head>
<body>
<input type="button" id="bt" value="计时停止"/>
<input type="button" id="bt1" value="计时继续"/>
<span id="sp"></span>
<br/>
<input type="button" id="btn" value="时间停止"/>
<input type="button" id="btn1" value="时间继续"/>
<span id="sp1"></span>
</body>
</html>
2.效果
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- 定时器 setTimeout setInterval
- Juqery 定时器 settimeout setInterval
- 定时器 setInterval setTimeout
- JS setInterval setTimeout的用法
- nodejs(五)同步异步--USING SETTIMEOUT INSTEAD OF SETINTERVAL TO FORCE SERIALIZATION
- setInterval && setTimeout || 定时器
- AngularJS $timeout和 $interval ，定时器手机验证码倒计时
- JS setTimeout setInterval
- JavaScript setInterval和clearInterval 定时器
- Js_window.setInterval & window.setTimeout
- Javascript(十二) setTimeOut & setInterval
- SetTimeout SetInterval
- 理解JavaScript 执行机制及异步回调（setTimeout/setInterval/Promise）
- setInterval 定时器待参使用
- js setTimeout 和 setInterval
- setTimeout setInterval 区别 javascript线程解释
- javascript settimeout and setinterval
- JS黑魔法之this, setTimeout/setInterval, arguments
- JS setTimeout setInterval
- Flex和Flash定时器 setTimeout & setInterval 使用要点