IE 11 error - Access is denied - XMLHttpRequest

Question

I\'m having a peculiar error with IE11 and ajax. For nearly all the requests I make using the code below, everything is fine, yet when I try use in conjunction with a copy+p

Answer 1

setTimeout(function() {
        ajaxRequest('save_mark','save_mark_completed',[60962,1284,5]) 
    }, 1);

This did work for me for the first call after page load but later calls again started to show Access is denied error