菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<body>

<img id="myImage" onclick="changeImage()" src="pic_bulboff.gif" width="100" height="180">

<p>点击灯泡，开启或关闭它。</p>

<script>
function changeImage() {
    var image = document.getElementById("myImage");
    if (image.src.match("bulbon")) {
        image.src = "pic_bulboff.gif";
    } else {
        image.src = "pic_bulbon.gif";
    }
}
</script>

</body>
</html>

              