alsoResize
option , we can resize another ( say 2nd ) element along with the main element. Our 2nd element will simultaneously follow the resizing of our main element. <div id="resize_id" class=resize_cl>
<div id="resize_id2" class=resize_cl>
JQuery
<script>
$(document).ready(function() {
//////////////////////////
$( "#resize_id" ).resizable({
alsoResize: "#resize_id2"
});
/////////
})
</script>