diff --git a/detect/dialog.js b/detect/dialog.js
new file mode 100644
index 0000000..b17fd12
--- /dev/null
+++ b/detect/dialog.js
@@ -0,0 +1,30 @@
+(function(has, addtest){
+    
+    var toString = {}.toString,
+        FUNCTION_CLASS = "[object Function]";
+
+    if(!has("dom")){ return; }
+    
+    var dialog = document.createElement("dialog");
+    
+    addtest("dialog", function(){
+        return toString.call(dialog.show) == FUNCTION_CLASS;
+    });
+    
+    addtest("dialog-open", function(){
+        return ("open" in dialog);
+    });
+    
+    addtest("dialog-show", function(){
+        return toString.call(dialog.show) == FUNCTION_CLASS;
+    });
+    
+    addtest("dialog-show-modal", function(){
+        return toString.call(dialog.showModal) == FUNCTION_CLASS;
+    });
+    
+    addtest("dialog-close", function(){
+        return toString.call(dialog.close) == FUNCTION_CLASS;
+    });
+    
+})(has, has.add);
\ No newline at end of file
diff --git a/detect/notification.js b/detect/notification.js
new file mode 100644
index 0000000..564c81a
--- /dev/null
+++ b/detect/notification.js
@@ -0,0 +1,23 @@
+(function(has, addtest){
+    
+    var toString = {}.toString,
+        FUNCTION_CLASS = "[object Function]";
+    
+    if(!has("dom")){ return; }
+    
+    addtest("notification", function(){
+        return toString.call(window.Notification) === FUNCTION_CLASS ||
+                toString.call(window.webkitNotifications) === FUNCTION_CLASS;
+    });
+
+    has.add("notification-checkpermission", function () {
+        return toString.call(window.Notification.permission) === FUNCTION_CLASS ||
+                toString.call(window.webkitNotifications.checkPermission) === FUNCTION_CLASS;
+    });
+
+    has.add("notification-requestpermission", function () {
+        return toString.call(window.Notification.requestPermission) === FUNCTION_CLASS ||
+                toString.call(window.webkitNotifications.requestPermission) === FUNCTION_CLASS;
+    });
+    
+})(has, has.add);
\ No newline at end of file
diff --git a/detect/url.js b/detect/url.js
new file mode 100644
index 0000000..e7580d5
--- /dev/null
+++ b/detect/url.js
@@ -0,0 +1,20 @@
+(function (has, addtest) {
+    
+    var toString = {}.toString,
+        FUNCTION_CLASS = "[object Function]";
+
+    // See if URL is available
+    addtest("native-url", function (g) {
+        return has.isHostType(g, "URL");
+    });
+
+    // Test for URL's methods
+    addtest("url-create-object-url", function () {
+        return toString.call(URL.createObjectURL) == FUNCTION_CLASS;
+    });
+    
+    addtest("url-revoke-object-url", function () {
+        return toString.call(URL.revokeObjectURL) == FUNCTION_CLASS;
+    });
+
+})(has, has.add);
\ No newline at end of file