diff --git a/webapp/app/js/models/job.js b/webapp/app/js/models/job.js
index 8ad8cf35..7b1743e2 100644
--- a/webapp/app/js/models/job.js
+++ b/webapp/app/js/models/job.js
@@ -10,9 +10,11 @@ treeherder.factory('ThJobModel', [
     // ThJobModel is the js counterpart of job
 
     var ThJobModel = function(data) {
-        // creates a new instance of ThJobModel
-        // using the provided properties
-        angular.extend(this, data);
+        if (typeof data === "object" && data !== null) {
+            for (var k in data) {
+                this[k] = data[k];
+            }
+        }
     };
 
     ThJobModel.prototype.get_current_eta = function(){
@@ -55,19 +57,30 @@ treeherder.factory('ThJobModel', [
                 if(_.has(response.data, 'job_property_names')){
                     // the results came as list of fields
                     //we need to convert them to objects
-                    item_list = _.map(response.data.results, function(elem){
-                        var job_obj = _.object(response.data.job_property_names, elem);
-                        return new ThJobModel(job_obj);
-                    });
+                    item_list = [];
+                    var props = response.data.job_property_names;
+                    var propsLen = props.length;
+                    for (var i = 0, resultsLen = response.data.results.length; i < propsLen; i++) {
+                        var model = new ThJobModel();
+                        var elem = response.data.results[i];
+                        for (var j = 0; j < propsLen; j++) {
+                            model[props[j]] = elem[j];
+                        }
+                        item_list.push(model);
+                    }
                 }else{
                     item_list = _.map(response.data.results, function(job_obj){
                         return new ThJobModel(job_obj);
                     });
                 }
+
                 // next_pages_jobs is wrapped in a $q.when call because it could be
                 // either a promise or a value
-                return $q.when(next_pages_jobs).then(function(maybe_job_list){
-                    return  item_list.concat(maybe_job_list);
+                return $q.when(next_pages_jobs).then(function(maybe_job_list) {
+                    for (var i = 0, n = maybe_job_list.length; i < n; i++) {
+                        item_list.push(maybe_job_list[i]);
+                    }
+                    return  item_list;
                 })
         });
     };
diff --git a/webapp/app/vendor/jquery-2.0.3.js b/webapp/app/vendor/jquery-2.0.3.js
index ebc6c187..98c0545f 100644
--- a/webapp/app/vendor/jquery-2.0.3.js
+++ b/webapp/app/vendor/jquery-2.0.3.js
@@ -4789,7 +4789,7 @@ jQuery.event = {
 		}
 
 		// Create a writable copy of the event object and normalize some properties
-		var i, prop, copy,
+		var i, copy,
 			type = event.type,
 			originalEvent = event,
 			fixHook = this.fixHooks[ type ];
@@ -4806,8 +4806,18 @@ jQuery.event = {
 
 		i = copy.length;
 		while ( i-- ) {
-			prop = copy[ i ];
-			event[ prop ] = originalEvent[ prop ];
+			(function () {
+				var prop = copy[ i ];
+				var ev = event;
+				var oe = originalEvent;
+				Object.defineProperty(ev, prop, {
+					configurable: true,
+					get: function () { return oe[prop]; },
+					set: function (v) {
+						Object.defineProperty(ev, prop, { value: v });
+					},
+				});
+			}());
 		}
 
 		// Support: Cordova 2.5 (WebKit) (#13255)