Js实现图片切换
<img id = "dim" src="images/D2.png" width="100%" height="100%" sizes="any"/>
<script>
function on(){
document.getElementById("dim").src='images/D1.png';
}
function off(){
document.getElementById("dim").src='images/D2.png';
}
function ooff(){
document.getElementById("dim").src='images/D3.png';
}
var x = 0;
setInterval(function (){
if(x == 1){
on();
}else if(x == 2){
ooff();
}else if(x == 3){
off();
x = 0;
}
x++;
}
,1000);
</script>
