Basic Collapsible Content jQuery Script Structure

jquery.plugin.js

;(function($, window, document, undefined){
	'use strict';

	var $qaQuestions, $qaAnswers, $qaIcons,
		$teaserMessages, $teaserHiddenContents, $teaserIcons;

	var init = function() {
		$qaQuestions = $('.qa--question');
		$qaAnswers  = $qaQuestions.next();
		$qaIcons = $qaQuestions.find('.qa--icon');
		$qaQuestions.on('click', {contentType: 'qa'}, clickHandler);

		$teaserMessages = $('.teaser--visible-message');
		$teaserHiddenContents  = $teaserMessages.next();
		$teaserIcons = $teaserMessages.find('.teaser--icon');
		$teaserMessages.on('click', {contentType: 'teaser'}, clickHandler);
	}

	var clickHandler = function( event ) {
		console.log( event );
	}

	function changeIcon() {

	}

	function getIndex() {

	}

	function getHiddenContent() {

	}

	function getIcon() {

	}

	function getIconClasses() {

	}

	$(document).ready(function(){
		init();
	});

})(jQuery, window, document);