js 动画1

div速度运动：

代码例如以下：

<!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=utf-8" />

<title>速度 运动</title>

<style>

body{paddiing:0;margin:0}

#div1{width:200px; height:200px;background-color:red; position:relative;left:-200px; top:0;}

#div1 span{width:20px;height:50px; background-color:blue;position:absolute; left:200px; top:75px}

</style>

<script>

window.onload = function(){

	var oDiv = document.getElementById('div1');

	oDiv.onmouseout = function(){

		startMove(-200);

	}

	oDiv.onmouseover = function(){

		startMove(0);

	}

}

var timer = null;

function startMove(seat){

	clearInterval(timer);

	var oDiv = document.getElementById('div1');

	timer = setInterval(function(){

		if(oDiv.offsetLeft > seat){

			speed = -10;

		}

		else{

			speed = 10;

		}

		if(oDiv.offsetLeft == seat){

			clearInterval(timer)

		}

		else{

			oDiv.style.left = oDiv.offsetLeft + speed +'px';

		}

	},30)

}

</script>

</head>

<body>

<div id="div1"><span id="share">分享</span></div>

</body>

</html>

透明度运动：

代码例如以下：

<!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=utf-8" />

<title>透明度运动</title>

<style>

body{

	padding:0;

	margin:0

}

#div1{

	width:200px;

	height:200px;

	background:red;

	filter:alpha(opacity:30);

	opacity:0.3;

}

</style>

<script>

window.onload = function(){

	var oDiv = document.getElementById('div1');

	oDiv.onmouseover = function(){

		startMove(100);

	}

	oDiv.onmouseout = function(){

		startMove(30);

	}

}

var timer = null;

var alpha = 30;

function startMove(seat){

	clearInterval(timer);

	var oDiv = document.getElementById('div1');

	timer = setInterval(function(){

		if(alpha > seat){

			speed = -10;

		}

		else{

			speed = 10;

		}

		if(alpha == seat){

			clearInterval(timer);

		}

		else{

			alpha += speed;

			oDiv.style.filter = 'alpha(opacity:'+alpha+')';

			oDiv.style.opacity = alpha/100;

		}

	},30)

}

</script>

</head>

<body>

<div id="div1"></div>

</body>

</html>

巴特西

js 动画1

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