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>