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javascriptでアラートの表示

JavaScript
初心者

Posted at 2021-05-10

alert.html

<DOCTYPE html>
    <html>
        <head>
            <meta charset="utf-8">
        </head>
        <script src="alert.js"></script>
        <body>
            <input type="button" value="CLICK" onclick="myFunction();"/>
        </body>
    </html>

alert.js

function myFunction() {
    alert("alert!")
}

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