CS0110 3.8 Abstraction in Action

jquery.qa.js

function _qa() {

    $('.qa-question').on('click', function() {
        var $answer = $(this).next('.qa-answer');

        if ( $(this).hasClass('opened') ) {
            _closeQA( $answer, $(this) );

        } else {
            _openQA( $answer, $(this) );
        }

        $answer = null;
    });
}
    
function _openQA( $answer, $container ) {

    if ( $answer.hasClass('closed') ) {
        $answer.removeClass('closed');
    }
    $container.addClass('opened');
    $answer.slideDown();
}