accessing id via commonJS

hi,

i was wondering if its possible to create for example a button (in alloy) and give it an id of btnTest. Could i approach this button in my js file using commonJS ?

something like this:

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(function(){

if (require('platform').isTall()) {
    $.btnTest.addEventListener('click', function(e){
        var home = Alloy.createController('homescreen').getView();
        home.open();
    });
}   

$.winTopics.open(); 

})();

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