01.JavaScript_html


01.JavaScript_html_02


01.JavaScript_html_03


01.JavaScript_html_04


01.JavaScript_html_05


01.JavaScript_html_06

01.JavaScript_html_07

01.代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        alert("大地")
    </script>
</head>
<body>
<input type="button" value="唐伯虎" onclick="alert('秋香')">

</body>
</html>

01.JavaScript_html_08


第三种写法

01.JavaScript_html_09

01.JavaScript_html_10


01.JavaScript_html_11


01.JavaScript_html_12


01.JavaScript_html_13