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Thread: javascript alert

  1. #1
    Join Date
    Apr 2009
    Posts
    9

    javascript alert

    Hi

    i would like to add a onfocus alert pop up when a user tabs into a certain field

    so say if i had

    <td align=center><input maxlength=1 size=1 id="end" class="notnumber" name="18n_">

    when the user tabs in to the textfield an alert pops up displaying a informaiton messaage

    i am sorry i am not very good at this but any help would be much apprecaited

    thanks

  2. #2
    Join Date
    Jun 2009
    Posts
    23
    You need to use onfocus event like
    Code:
    <td align=center><input maxlength=1 size=1 id="end" class="notnumber" name="18n_" onfocus="popup()">
    <script type="text/javascript">
    function popup(){
    alert("Hello!");
    }
    </script>
    However, once the alert window appears, the field loses focus. So its pretty pointless and will irritate the user (not to mention will make the field un-usable).

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