<style type="text/css">
div{
width: 100px;
height: 100px;
background-color: red;
position: absolute;
margin-left: 10px;
float: left;
}
</style>
</head>
<body id="body1">
<button οnclick="btn()">创建div</button>
<script>
function btn(){
var id;
//动态创建元素
var str=document.createElement("div");
//元素的背景色随机的
str.style.backgroundColor=getColorRandom();
//将生成的div追加到body中
document.getElementById("body1").appendChild(str);
//随机生成的id设置为动态创建的div的id
str.id="items"+parseInt(Math.random()*10000);
// 获取动态生成的div的id
var obj=document.getElementById(str.id);
var disX=0;
var disY=0;
//鼠标点击落下事件
obj.οnmοusedοwn=function (event){
disX=event.clientX-obj.offsetLeft;
disY=event.clientY-obj.offsetTop;
//鼠标移开事件
document.οnmοusemοve=function(ev){
obj.style.left=ev.clientX-disX+"px";
obj.style.top=ev.clientY-disY+"px";
}
//鼠标松开事件
document.οnmοuseup= function () {
document.οnmοusemοve=null;
document.οnmοuseup=null;
}
}
//生成随机颜色
function getColorRandom(){
var c="#";
var cArray=["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"];
for(var i=0;i<6;i++){
var cIndex= Math.round(Math.random()*15);
c+=cArray[cIndex];
}
return c;
}
}
</script>
</body>
版权声明：本文为qq_38073413原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。