2016-04-07 JavaScript-自动滚动图片
简介：JavaScript实现自动滚动的图片，关键在于如何运用setInterval() 方法
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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
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<title>2016-04-07 JavaScript-滚动图片</title>
<script language="javascript" type="text/javascript">
var i=0;
var img=new Array();
img[0]="1.jpg";
img[1]="2.jpg";
img[2]="3.jpg";
//setInterval() 方法可按照指定的周期（以毫秒计）来调用函数或计算表达式。
setInterval("gun()",2000);
function gun(){
if(i==img.length-1){
i=0;
}else{
i+=1;
}
document.getElementById("image").src=img[i];
}
</script>
</head>
<body>
<div width="600px"height="300px" style="margin:0 auto"><img id="image" src="1.jpg" width="600px"height="300px"></div>
</body>
</html>
