摘要：<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title></head><body><script type="text/javascript">function myfovus(x
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script type="text/javascript">
function myfovus(x) {
x.style.background="red"
}
</script>
姓名：<input type="text" onfocus="myfovus(this)"></input>
</body>
</html>
批改老師：查無此人批改時間：2019-04-10 15:40:38
老師總結(jié)：完成的不錯。下次縮進代碼，每行js代碼結(jié)束，增加;號。繼續(xù)加油