function sameHeightSection(section) { var max = 0; var sections = jQuery("." + section); sections.each(function(index, el) { if( jQuery(this).height() > max ){ max = jQuery(this).height(); } }); alert(max); jQuery("." + section).css({ 'height': max, 'min-height': max, 'max-height': max }); } jQuery(document).ready(function($) { sameHeightSection('vc_gitem-zone'); }); jQuery(window).resize(function(){ sameHeightSection('vc_gitem-zone'); });