Add/Remove class on event helpers

add-remove-class-on-event.js

// add/remove class on event helpers
Helper.addClassOnEvent = function(el, ev, cl){
    var $el = $(el);
    if(!$el.length || !cl || typeof ev !== "string" || typeof cl !== "string") {
        return false;
    }

    $el.each(function(){
        // if(!Modernizr.hasEvent(ev, this)){
        //     return true;
        // }

        var $trigger = $(this)
          , onEv = {}
          ;

        onEv[ev] = function(){
            $trigger.addClass(cl);
        };

        $(this).on(onEv);
    });
};

Helper.removeClassOnEvent = function(el, ev, cl){
    var $el = $(el);
    if(!$el.length || !cl || typeof ev !== "string" || typeof cl !== "string") {
        return false;
    }

    $el.each(function(){
        // if(!Modernizr.hasEvent(ev, this)){
        //     return true;
        // }
        
        var $trigger = $(this)
          , onEv = {}
          ;

        onEv[ev] = function(){
            $trigger.removeClass(cl);
        };

        $(this).on(onEv);
    });
};