javascript - Issue with jQuery hide() using Firefox -

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i have problem hide() function on page making. @ moment, selected div layer not hiding.

it works fine in safari , chrome, unfortunately not in firefox :-(

the page here in context: http://www.upreach.org.uk/undergraduates/partners.php , here's code:

$(document).ready(function(){         $('div.partner-employers').not('div#start').hide();         $("a.employers").click(function(){             $("a.employers").css("font-weight", "normal");             $(this).css("font-weight", "bold");             var myelement2 = $(this).attr("href")             $(myelement2).fadein("fast");             event.preventdefault();             $(".partner-employers:visible").not(myelement2).hide();         }); });

...and html:

<a href="#1" class="employers">1</a><br/> <a href="#2" class="employers">2</a><br/> <a href="#3" class="employers">3</a><br/>  <div class="partner-employers" id="1">content 1</div> <div class="partner-employers" id="2">content 2</div> <div class="partner-employers" id="3">content 3</div>

thanks in advance can give...

you using undefined event variable, code crashes before last line can executed. in ie defined in window object, not in other browsers.

define event parameter in function signature:

$("a.employers").click(function(event){

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