利用屏幕对象把网页窗口逐渐变宽的问题（高不变） - 编程论坛

<html>
<body>
<script>
var x=10;
var y=window.screen.availHeight;
var dx=5;
var newFrm=window.open("","newForm","menubar=0,toolbar=0");
newFrm.resizeTo(x,y);
var intervalID=window.setInterval("active()",100);

function active()
{
  if(newFrm.closed)
    {
     clearInterval(intervalID);
     return;
     }

  if(x<screen.availWidth)
     x+=dx;
  else
     {
       clearInterval(intervalID);
      }
   newFrm.resizeTo(x,y);

}
</script>
<input type="button"  value="stop" onclick="clearInterval(intervalID);newFrm.close();">
</body>
</html>