浅谈js的setInterval事件_基础知识

  
        <script><br /> var one=document.getElementById('one')<br /> var x=0;<br /> var y=0;<br /> var xs=10;<br /> var ys=10;<br /> function scroll(){<br /> x+=xs;<br /> y+=ys;<br /> if(x>=document.getElementById('content').offsetWidth-one.offsetWidth-20 || x<=0)<br /> {<br /> xs=-1*xs;<br /> }<br /> if(y>=document.getElementById('content').offsetHeight-one.offsetHeight-20 || y<=0)<br /> {<br /> ys=-1*ys;<br /> }<br /> one.style.left=x;<br /> one.style.top=y;<br /> }<br /> dt=setInterval(scroll,100);<br /> one.onmouseover=function(){<br /> clearInterval(dt); <br /> };<br /> one.onmouseout=function(){<br /> dt=setInterval(scroll,100);<br /> };<br /> </script>

function show(){ trace("每隔一秒我就会显示一次");}
var sh;sh=setInterval(show,1000);
clearInterval(sh);

Stop interval