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9月1日收获

2024-07-20 15:46:33   222人阅读

js中设置class：

document.getElementById("divID").className="mydivclass";

 

 

 链接：

addEventHandler(this.Drag, "mousedown", BindAsEventListener(this, this.Start));

http://www.cnblogs.com/cloudgamer/archive/2008/11/17/Drag.html

http://www.cnblogs.com/dolphinX/archive/2012/10/13/2722501.html

http://www.cnblogs.com/shiyangxt/archive/2008/11/16/1334633.html滤镜

 

 div拖动

<!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>
<style type="text/css">
#main div{position:absolute;width:220px;height:150px;border:1px solid #999;}
</style>
<script type="text/javascript">
var a;
document.onmouseup=function(){if(!a)return;document.all?a.releaseCapture():window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);a="";};
document.onmousemove=function (d){if(!a)return;if(!d)d=event;a.style.left=(d.clientX-b)+"px";a.style.top=(d.clientY-c)+"px";};
function $(o,e){a=o;document.all?a.setCapture():window.captureEvents(Event.MOUSEMOVE);b=e.clientX-parseInt(a.style.left);c=e.clientY-parseInt(a.style.top);}
</script>
</head>
<body>
  <div id="main">
    <div  onm ousedown="$(this,event)">1</div>
    <div  onm ousedown="$(this,event)">2</div>
    <div  onm ousedown="$(this,event)">3</div>
    <div  onm ousedown="$(this,event)">4</div>
    <div  onm ousedown="$(this,event)">5</div>
    <div  onm ousedown="$(this,event)">6</div>
  </div>
</body>
</html>
判断哪控件获得焦点
function isActive(id){
        var obj=document.activeElement;
        if (obj==null) return false;
        return obj.id==id;
}








判断那个获得焦点
<!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=gb2312" />  
<title>Div + CSS Example, Wayhome‘s Blog</title>
 
</head>  
<body onkeyup="test(event)">  
	<input type="text" id="shuru1">
	<input type="text" id="shuru2">
	<input type="text" id="shuru3">
	 <script>              var myInput = document.getElementsByTagName(‘input‘);
  			function test(event){
  			for(var i=0;i<myInput.length;i++){
  						if (myInput[i] == document.activeElement) {
  							te=myInput[i];
             }
             
  				}	
  				if (te == document.activeElement) {
             } else {
                if(70==event.keyCode){
                	alert("快捷键");
                	}
             }
  				}
  </script>
</body>  
</html>
<div  id="zshuju">dfa</div>
<input type="button" onclick="javascript:alert(document.getElementById(‘zshuju‘).style.zIndex)" value="http://www.mamicode.com/弹出"/> 
<!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=gb2312" />  

<title>Div + CSS Example, Wayhome‘s Blog</title>
</head>  
<body onkeyup="test(event)">  
	<input type="text" id="shuru">
	 <script>
			function test(event){
  			for(var i=0;i<myInput.length;i++){
  						if (myInput[i] == document.activeElement) {
  							te=myInput[i];
             }
             
  				}	
  				if (te == document.activeElement) {
             } else {
                if(70==event.keyCode){
                	alert("快捷键");
                	}
             }
  				}
  </script>
</body>  
</html>
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