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form validation

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  • 02-12-2008 3:46pm
    #1
    vodkadub
    Closed Accounts Posts: 184 ✭✭


    Anyone know of an easy to validate a form using javascript?


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    #2
    marcphisto
    Registered Users Posts: 180 ✭✭marcphisto


    http://jquery.com + http://bassistance.de/jquery-plugins/jquery-plugin-validation/

    Should sort you out.


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    #3
    vodkadub
    Closed Accounts Posts: 184 ✭✭vodkadub


    Im looking for something hand coded, thanks anyway


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    #4
    Evil Phil
    Registered Users Posts: 7,468 ✭✭✭Evil Phil


    There really isn't a way to use javascript for form validation unless is server side javascript.


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    #5
    Eoin
    Moderators, Category Moderators, Motoring & Transport Moderators Posts: 21,238 CMod ✭✭✭✭Eoin


    As Evil Phil says, server side is the place to do it. Doing it client side should only be for the purposes of usability, and not relied on by the site.

    That said, here's a quick example you can work from:
    [html]
    <script type="text/JavaScript">
    function checkForm()
    {
    if (document.getElementById("txtName").value == "")
    {
    alert("Please enter your name");
    return false;
    }
    return true;
    }
    </script>
    <form name="frmTest" action="this.asp" method="post" onsubmit="return checkForm()">
    Name: <input type="text" name="txtName" id="txtName" value="" />
    <input type="submit">
    </form>
    [/html]


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