JS的引入

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        // 弹窗
        // alert(123)
    </script>
    <script src="common.js"></script>
</head>
<body>

<h1>welcome to JS!</h1>

</body>
</html>

 

 

alert(123)
console.log("hello JS")

 

posted @ 2022-05-30 20:36  呼长喜  阅读(23)  评论(0)    收藏  举报