setInterval和setTimeout？
[英]setInterval & setTimeout?
问题描述
I want to stop my javascript after x seconds, I saw that the function is setTimeout, I tried to add that to my code but no succes, is this the better way to do this? 
我想在x秒后停止我的JavaScript，我看到函数是setTimeout，我试图将其添加到代码中但没有成功，这是更好的方法吗？ Thanks for your help ! 谢谢你的帮助 ！
<html>
<head>
<script type="text/javascript">
function blink(){
state = document.getElementsByTagName('img')[0].style.visibility;
if(state == 'hidden'){
newState = 'visible';
}else if(state == 'visible'){
newState = 'hidden';
}
document.getElementsByTagName('img')[0].style.visibility = newState;
}
setInterval('blink();', 300);
</script>
</head>
<body>
<img src="http://ww1.prweb.com/prfiles/2011/10/12/8875514/star_white.jpg" style="visibility:hidden">
</body>
</html>
2 个解决方案
解决方案1
1 已采纳 2013-03-08 11:16:05
Initialize your interval in a variable and clear it after X (here 2) seconds: 在变量中初始化间隔，并在X （此处为2）秒后清除间隔：
var interval = setInterval(blink, 300);
setTimeout(function() {
clearInterval(interval);
}, 2000);
解决方案2
0 2013-03-08 11:17:49
use like this: 像这样使用：
var myvar;
function myStartFunction()
{
myvar=setInterval(function(){blink()},300);
}
function myStopFunction()
{
clearInterval(myvar);
}
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