Javascript, Jquery append functions to an event -

i have function associated event, onfocus() , in cases, want able execute default function 1 or more additional functions.

so don't want replace original function, want append both functions fire.

<div id="mydiv" onfocus="alert('hello');"> if(something == somethingelse) $('#mydiv').onfocus += "alert('world');"

so in example, hello fire , hello , world both fire.

i'm using onfocus() , alert() example, these functions have defined.

how go doing ?

use jquery add focus event handler

<script>     $('#mydiv').on('focus', function(){         //do soemthing     }) </script>

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