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Best way to trigger a js function ?

Thread began 7/31/2013 8:38 am by CraigR | Last modified 7/31/2013 11:59 pm by CraigR | 945 views | 2 replies |

CraigRBeta Tester

Best way to trigger a js function ?

My client would like a pop-up window to appear when a member logs in, if there are any messages or other outstanding info which has appeared since they last logged in.

I am recording when members log in and out, so that is ok, so what I want to do is call a js openwindow() function if, for example, the messages recordset contains any rows

I can do this easily enough with a button ‘on click’ event, but can’t work out how to do it if there isn’t a button or some other interaction

I don’t want to call the function on load, but only if the recordset is not empty

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Jason ByrnesWebAssist

without any other interaction, the only way to accomplish this is using the onload method.

you could use a php if statement around the onload call so it only occurs if the recordset is not empty:

<?php if ($totalRows_recordsetName > 0) { ?>onLoad="callFunction(parameters)"<?php } ?>

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CraigRBeta Tester

Thanks Jason, putting the call within a php block did it for me.

I set up a jquery call and for now, I set it to only open the popup if a member is logged in. so having set a default value for the MemberID of 0 if not set..

<?php if ($_SESSION["MemberID"] != 0) { //trigger popup window if a member is logged in?>
<script type="text/javascript" charset="utf-8">
window.document.body.onload = openWindow;
<?php } ?>

I will add other parameters later so the member can disable the popup for the session and popup will only fire if recordset has a rowcount of > 0

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