摘要：<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/j
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
document.write('欢迎来到PHP中文网')
var a= 6,b=7;
var c=a+b;
document.write(a+=b);
document.write(c);
</script>
</head>
<body>
</body>
</html>
批改老师：韦小宝批改时间：2019-01-05 09:21:34
老师总结：写的还是很简洁！不过已经起到了变量的作用了！继续加油吧！
