Programmatical click on -tag not working in Firefox

Question

I have a problem with the click()-function from jquery. I create a -element with document.createElement(\'a\') and want call

Answer 1

  var fileUrl=document.createElement('a');
      fileUrl.href=response.request.responseURL;
      document.body.appendChild(fileUrl);
      fileUrl.click();

add document body, thats working