performance - How to use the variable that I create in jquery -

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var appthour = $('select[name="ctl00$m$g_20abfee5_53b6_4db3_b243_ae9b79cab374$ctl00$ctl05$ctl09$ctl00$ctl00$ctl04$ctl00$ctl00$datetimefield$datetimefielddatehours"]').val(); var endhour = $('select[name="ctl00$m$g_20abfee5_53b6_4db3_b243_ae9b79cab374$ctl00$ctl05$ctl11$ctl00$ctl00$ctl04$ctl00$ctl00$datetimefield$datetimefielddatehours"]').val();   $('appthour').blur(function() {     $('endhour').val($(this).val()); });

this doesn't seem work. tried , still doesn't work.

$appthour.blur(function() {     $endhour.val($(this).val()); });

thanks

actually appthour , endhour elements. do

appthour.blur(function() { endhour.val($(this).val()); }

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