JS控制开灯关灯

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>文档标题</title>
<script>

function MyFunction1()
{
element=document.getElementById("image1");
if (element.src.match("bulbon"))
{
element.src="http://www.w3school.com.cn/i/eg_bulboff.gif";
}
else
{
element.src="http://www.w3school.com.cn/i/eg_bulbon.gif";
}
}

</script>
</head>
<body>
  <div class="div1">
        <img  id="image1" src="http://www.w3school.com.cn/i/eg_bulboff.gif" onclick="MyFunction1()"/>
  </div>

</body>
</html>
原文地址:https://www.cnblogs.com/xiaobing1/p/9954594.html