Give the height of first div to all consecutive divs in an element that has class .equalize-by-first

.equalize-by-first.js

$(window).load( function() { 
	$('.equalize-by-first > div').height(function() {
		if( $(this).index() !== 0 ) {
			var zHeight = $('.equalize-by-first > div:first-child').outerHeight();
			return zHeight;
		}
	});
});