Replace element's tag name with another tag name using jQuery

replace-tag.js

function replaceElementTag(targetSelector, newTagString) {
	$(targetSelector).each(function(){
		var newElem = $(newTagString, {html: $(this).html()});
		$.each(this.attributes, function() {
			newElem.attr(this.name, this.value);
		});
		$(this).replaceWith(newElem);
	});
}

replaceElementTag('span', '<div></div>');