js-basics/26-forms.html at master · blackfalcon/js-basics · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Demo</title>
    <script type="text/javascript">
        var checkForm = function() {
            if (document.myForm.theBox.checked) {
                alert('You Win!');
            } else {
                alert('Oops!');
            }
        }
    </script>
    </head>
    <body>

        <!--
            when creating a form, JS already creates the necessary form object(s)
            each form in a view is actually listed into an array
        -->
        <form name="myForm">
            <label>username: </label>
            <input type="text" name="usersName" />

            <label>password: </label>
            <input type="password"  name="usersPassword" />

            <input type="checkbox" name="theBox"/>

            <input type="button" onClick="checkForm()" type="submit" value="Click me" />
        </form>

    </body>
</html>