HelloWorld

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript" src="01_HelloWorld.js"></script>
</head>
<body>

</body>
</html>

01_HelloWorld.js

document.writeln("Hello World");
【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/sherrykid/p/5709435.html