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Thread: stop page processing after an alert

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  1. #1
    Join Date
    Jul 2011
    Location
    Haarlem
    Posts
    30

    stop page processing after an alert

    Hey guys, atm Im really stump.

    Mine php skills is quite high but not mine Javascript.

    Anyway for start here is mine script.

    <head>

    <title>Registratie</title>
    <script type="text/javascript">
    function dbclick()
    {
    alert("test");
    }

    </script>
    </head>

    <body>
    Vul deze form in om je aan te melden voor de Kalender.

    <form action="regcheck.php" method="post">
    Gebruikers Naam<br>
    <input type="text" size="15" name="ruser" id="ruser" ><br>
    Persoonlijk Wachtwoord<br>
    <input type="text" size="15" id="rpassword" name="rpassword"><br>
    <input type="submit" ondblclick="dbclick()" id="submits" value="Aanmelden">
    </form>
    </body>

    Im looking for a way once a user double click the submit button that an alert message will be popped up.
    Once the alert has been popped up, the page processing to regcheck.php must be stopped.

  2. #2
    Join Date
    Mar 2011
    Posts
    1,109
    Unless you have a special purpose in mind, 'ondblclick()' is probably not a good choice because users rarely double-click on a 'Submit' button since all that's needed is a single click. So use 'onclick' instead and have the function it calls return a true or false value: 'true' if the form should be submitted to the 'action', and 'false' if the user should be kept at the page where the form resides. As in:
    Code:
    <head>
    
    <title>Registratie</title>
    <script type="text/javascript">
    function myfunction()
    {
    alert("test");
    var value = true;
      if (something == bad) { value = false; }
     return value;
    }
    </script>
    </head>
    
    <body>
    Vul deze form in om je aan te melden voor de Kalender.
    <form action="regcheck.php" method="post">
    Gebruikers Naam<br>
    <input type="text" size="15" name="ruser" id="ruser" ><br>
    Persoonlijk Wachtwoord<br>
    <input type="text" size="15" id="rpassword" name="rpassword"><br>
    <input type="submit" onclick="return myfunction();" id="submits" value="Aanmelden">
    </form>
    </body>
    Rick Trethewey
    Rainbo Design

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