symfony
diff --git a/‎src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
Lines changed: 16 additions & 2 deletions b/‎src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/base_js.html.twig
Lines changed: 16 additions & 2 deletions
@@ -281,14 +281,7 @@
                     }
 
                     // attach listener for expanding/collapsing the target
-                    buttons[i].addEventListener('click', function (e) {
-                        toggle(this);
-
-                        e.preventDefault();
-                        e.stopPropagation();
-
-                        return false;
-                    });
+                    clickHandler(buttons[i], toggle);
 
                     if (states.hasOwnProperty(targetId)) {
                         // open or collapse based on stored data
@@ -380,14 +373,7 @@
                         throw "Tab target " + targetId + " does not exist";
                     }
 
-                    tabs[i].addEventListener('click', function (e) {
-                        select(this);
-
-                        e.preventDefault();
-                        e.stopPropagation();
-
-                        return false;
-                    });
+                    clickHandler(buttons[i], select);
 
                     Sfjs.addClass(target, 'hidden');
                 }
@@ -405,7 +391,26 @@
     }
 
     var tabTarget = new TabView(),
-        toggler = new Toggler(new JsonStorage(sessionStorage));
+        toggler = new Toggler(new JsonStorage(sessionStorage)),
+        clickHandler = function (element, callback) {
+            Sfjs.addEventListener(element, 'click', function (e) {
10000
+                if (!e) {
+                    e = window.event;
+                }
+
+                callback(e.target || e.srcElement);
+
+                if (e.preventDefault) {
+                    e.preventDefault();
+                } else {
+                    e.returnValue = false;
+                }
+
+                e.stopPropagation();
+
+                return false;
+            });
+        };
 
     tabTarget.initTabs(document.querySelectorAll('.tree .tree-inner'));
     toggler.initButtons(document.querySelectorAll('a.toggle-button'));
 
@@ -171,6 +171,18 @@
                 requestCounter[0].className = className;
             };
 
+        var addEventListener;
+
+        if (document.addEventListener) {
+            addEventListener = function (element, eventName, callback) {
+                element.attachEvent('on' + eventName, callback);
+            };
+        } else {
+            addEventListener = function (element, eventName, callback) {
+                element.addEventListener(eventName, callback, false);
+            };
+        }
+
         {% if excluded_ajax_paths is defined %}
             var proxied = XMLHttpRequest.prototype.open;
 
@@ -189,7 +201,7 @@
 
                     requestStack.push(stackElement);
 
-                    this.addEventListener("readystatechange", function() {
+                    addEventListener(this, 'readystatechange', function() {
                         if (self.readyState == 4) {
                             stackElement.duration = new Date() - stackElement.start;
                             stackElement.loading = false;
@@ -199,7 +211,7 @@
 
                             Sfjs.renderAjaxRequests();
                         }
-                    }, false);
+                    });
 
                     Sfjs.renderAjaxRequests();
                 }
@@ -219,6 +231,8 @@
 
             setPreference: setPreference,
 
+            addEventListener: addEventListener,
+
             request: request,
 
             renderAjaxRequests: renderAjaxRequests,