symfony 2 profiler bar throws javascript error in IE8 #13447
Description
In IE8 and 9 the symfony 2 profiler throws a javascript error caused by the ajax requests logged.
IE8 and 9 do not have have a addEventListener object in XMLHttpRequest, but use attachEvent instead.
For IE8 and 9, in base_js.html.twig instead of this.addEventListener("readystatechange", function() {
it should be this.attachEvent("onreadystatechange", function () {