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    Stop empty form submit – getElementbyId()

    11th March 2014

    Javascript

    javascript category codehaven

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    <form action="addtag.php" method="post" name="tag" onsubmit='return dog();'>
     

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    <script>
    function dog() {
    var v = document.getElementById("newtag");
        if (v.value == '') {
            alert("Cant add empty tag");
    return false;
        }
    }
    </script>
     

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