HTML事件改变输入框颜色
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8" />
<title>HTML事件</title>
</head>
<body>
<script type="text/javascript">
function myfovus(x){
x.style.background="pink"
}
</script>
姓名：<input type="text" onfocus="myfovus(this)">
</body>
</html>