Capturing a shift+cmd+click event and doing stuff

cmd.shift.click.js

/**
* Functionality for capturing a command + shift + click
* Note: does not work for the key you have mapped for context menu
*/
var cmdShiftClick = {
    //set an object property for holding shift
    isShift : false,
    //set another for holding command or control
    isCtrl : false,
    init : function(){
        var self = this;
        
        //set our object props to true on keydown
        $(document).keydown(function(e){
            //is shift key?
            if ( e.shiftKey ) {
                self.isShift = true;
            }
            
            //is control key?
            if ( e.ctrlKey ) {
                self.isCtrl = true;
            }
            
            //is command key?
            if ( e.keyCode === 91 
                || e.keyCode === 92 ){
                self.isCtrl = true;
            }
            
        });
        
        //on keyup, reset our object props
        $(document).keyup(function(e){
            self.isShift = false;
            self.isCtrl = false;
        });
        
        //fire our event on click
        $('#sandra_b').on('click', function(e) {
            e.preventDefault();
            self.doStuff(e);
        });//on.click
        
    },//init()
    /**
     * Do something
     * @param event object e
     * @return void
     */
    doStuff : function(e){
        var self = this;
        var $andra = $(e.target);
        
        if ( self.isShift && self.isCtrl ) {
            $andra.siblings('.filling').slideToggle(250);
            $andra.parent('#pi_the_net').toggleClass('open');
        }
        //reset our props to false
        self.isShift = false;
        self.isCtrl = false;
    },//doStuff()
};//cmdShiftClick

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