<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
html,body{
height: 100%;
}
.box{
width: 40px;
height: 40px;
border-radius: 50%;
position: absolute;
animation: move 5s ease-out forwards infinite;
/*animation: 动画名 播放事件 播放速度 反向播放 重复次数;*/
}
@-webkit-keyframes move{
50%{left:800px;top:500px;opacity: 0;}
100%{left:0px;top:100px;opacity: 1;}
}
@-moz-keyframes move{
50%{left:800px;top:500px;opacity: 0;}
100%{left:0px;top:100px;opacity: 1;}
}
@keyframes move{
50%{left:800px;top:500px;opacity: 0;}
100%{left:0px;top:100px;opacity: 1;}
}
</style>
</head>
<body>
<button οnclick="createDiv()">创建div</button>
<script type="text/javascript" src="new_file.js"></script>
<script type="text/javascript">
//document.createElement("div");
function createDiv(){
var oDiv = document.createElement("div");
//oDiv = $("div");
//console.log(oDiv)
//设置div的样式
// 方法一：用js设置样式
// oDiv.style.width = "200px";
// oDiv.style.height = "200px";
// oDiv.style.backgroundColor = randomColor();
// oDiv.style.float = "left";
// // 方法二：用css设置样式
oDiv.className = "box";
oDiv.style.backgroundColor = randomColor();
oDiv.style.left = ( Math.random()*($w()-40) )+"px";
oDiv.style.top = ( Math.random()*($h() -40) )+100+"px";
//
// 父节点.appendChild(子节点) 将子节点添加到父节点孩子列表的末尾
document.body.appendChild(oDiv);
}
</script>
</body>
</html>