Set width and height while dragging object in jquery

set width and height while dragging object in jquery.js

$('body').find('.draggable').draggable({
		revert: true,
		revertDuration: 0,
		stack: ".draggable",
		helper: 'clone',
		start: function(event, ui) {
			$(ui.helper).removeAttr('width');
			$(ui.helper).removeAttr('height');

            var ele_width = $('body').find('.square').width();
            var ele_height = $('body').find('.square').height();
            $(ui.helper).width(ele_width).height(ele_height);
            // you can also use static values
		}
	});