diff --git a/dom/html/HTMLInputElement.cpp b/dom/html/HTMLInputElement.cpp
index 3a3136a60b..52062c4b9b 100644
--- a/dom/html/HTMLInputElement.cpp
+++ b/dom/html/HTMLInputElement.cpp
@@ -540,7 +540,8 @@ GetDOMFileOrDirectoryPath(const OwningFileOrDirectory& aData,
 bool
 HTMLInputElement::ValueAsDateEnabled(JSContext* cx, JSObject* obj)
 {
-  return IsExperimentalFormsEnabled() || IsInputDateTimeEnabled();
+  return IsExperimentalFormsEnabled() || IsInputDateTimeEnabled() ||
+    IsInputDateTimeOthersEnabled();
 }
 
 NS_IMETHODIMP
@@ -5709,7 +5710,7 @@ HTMLInputElement::IsDateTimeTypeSupported(uint8_t aDateTimeInputType)
          ((aDateTimeInputType == NS_FORM_INPUT_MONTH ||
            aDateTimeInputType == NS_FORM_INPUT_WEEK ||
            aDateTimeInputType == NS_FORM_INPUT_DATETIME_LOCAL) &&
-          IsInputDateTimeEnabled());
+          IsInputDateTimeOthersEnabled());
 }
 
 /* static */ bool
@@ -5785,6 +5786,20 @@ HTMLInputElement::IsInputDateTimeEnabled()
   return sDateTimeEnabled;
 }
 
+/* static */ bool
+HTMLInputElement::IsInputDateTimeOthersEnabled()
+{
+  static bool sDateTimeOthersEnabled = false;
+  static bool sDateTimeOthersPrefCached = false;
+  if (!sDateTimeOthersPrefCached) {
+    sDateTimeOthersPrefCached = true;
+    Preferences::AddBoolVarCache(&sDateTimeOthersEnabled,
+                                 "dom.forms.datetime.others", false);
+  }
+
+  return sDateTimeOthersEnabled;
+}
+
 /* static */ bool
 HTMLInputElement::IsInputNumberEnabled()
 {
@@ -5827,12 +5842,9 @@ HTMLInputElement::ParseAttribute(int32_t aNamespaceID,
       bool success = aResult.ParseEnumValue(aValue, kInputTypeTable, false);
       if (success) {
         newType = aResult.GetEnumValue();
-        if ((IsExperimentalMobileType(newType) &&
-             !IsExperimentalFormsEnabled()) ||
-            (newType == NS_FORM_INPUT_NUMBER && !IsInputNumberEnabled()) ||
+        if ((newType == NS_FORM_INPUT_NUMBER && !IsInputNumberEnabled()) ||
             (newType == NS_FORM_INPUT_COLOR && !IsInputColorEnabled()) ||
-            (IsDateTimeInputType(newType) &&
-             !IsDateTimeTypeSupported(newType))) {
+          (IsDateTimeInputType(newType) && !IsDateTimeTypeSupported(newType))) {
           newType = kInputDefaultType->value;
           aResult.SetTo(newType, &aValue);
         }
diff --git a/dom/html/HTMLInputElement.h b/dom/html/HTMLInputElement.h
index 305b765562..98a5904437 100644
--- a/dom/html/HTMLInputElement.h
+++ b/dom/html/HTMLInputElement.h
@@ -1680,12 +1680,19 @@ private:
   IsExperimentalFormsEnabled();
 
   /**
-   * Checks preference "dom.forms.datetime" to determine if input date/time
-   * related types should be supported.
+   * Checks preference "dom.forms.datetime" to determine if input date and time
+   * should be supported.
    */
   static bool
   IsInputDateTimeEnabled();
 
+  /**
+   * Checks preference "dom.forms.datetime.others" to determine if input week,
+   * month and datetime-local should be supported.
+   */
+  static bool
+  IsInputDateTimeOthersEnabled();
+
   /**
    * Checks preference "dom.forms.number" to determine if input type=number
    * should be supported.
diff --git a/dom/html/test/forms/test_input_types_pref.html b/dom/html/test/forms/test_input_types_pref.html
index 73c4d65ab3..5279d6a2ac 100644
--- a/dom/html/test/forms/test_input_types_pref.html
+++ b/dom/html/test/forms/test_input_types_pref.html
@@ -49,27 +49,51 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=764481
       inputType: "date",
       expectedType: "date"
     }, {
-      prefs: [["dom.forms.datetime", false]],
+      prefs: [["dom.experimental_forms", false], ["dom.forms.datetime", false]],
+      inputType: "time",
+      expectedType: "text"
+    }, {
+      prefs: [["dom.experimental_forms", true], ["dom.forms.datetime", false]],
+      inputType: "time",
+      expectedType: "time"
+    }, {
+      prefs: [["dom.experimental_forms", false], ["dom.forms.datetime", true]],
+      inputType: "time",
+      expectedType: "time"
+    }, {
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", false]],
       inputType: "month",
       expectedType: "text"
     }, {
-      prefs: [["dom.forms.datetime", true]],
+      prefs: [["dom.forms.datetime", true], ["dom.forms.datetime.others", false]],
+      inputType: "month",
+      expectedType: "text"
+    }, {
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", true]],
       inputType: "month",
       expectedType: "month"
     }, {
-      prefs: [["dom.forms.datetime", false]],
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", false]],
       inputType: "week",
       expectedType: "text"
     }, {
-      prefs: [["dom.forms.datetime", true]],
+      prefs: [["dom.forms.datetime", true], ["dom.forms.datetime.others", false]],
+      inputType: "week",
+      expectedType: "text"
+    }, {
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", true]],
       inputType: "week",
       expectedType: "week"
     }, {
-      prefs: [["dom.forms.datetime", false]],
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", false]],
       inputType: "datetime-local",
       expectedType: "text"
     }, {
-      prefs: [["dom.forms.datetime", true]],
+      prefs: [["dom.forms.datetime", true], ["dom.forms.datetime.others", false]],
+      inputType: "datetime-local",
+      expectedType: "text"
+    }, {
+      prefs: [["dom.forms.datetime", false], ["dom.forms.datetime.others", true]],
       inputType: "datetime-local",
       expectedType: "datetime-local"
     }
diff --git a/dom/html/test/forms/test_valueAsDate_pref.html b/dom/html/test/forms/test_valueAsDate_pref.html
index 91e2e1bfc6..0369980e4d 100644
--- a/dom/html/test/forms/test_valueAsDate_pref.html
+++ b/dom/html/test/forms/test_valueAsDate_pref.html
@@ -12,11 +12,12 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=874640
 
   /** Test for Bug 874640 **/
   var states = [
-  // dom.experimental_forms, dom.forms.datetime, expectedValueAsDate
-  [ 'true', 'true', 'true' ],
-  [ 'true', 'false', 'true' ],
-  [ 'false', 'true', 'true' ],
-  [ 'false', 'false', 'false' ],
+  // dom.experimental_forms, dom.forms.datetime, dom.forms.datetime.others, expectedValueAsDate
+  [ 'true', 'true', ,'true', 'true' ],
+  [ 'true', 'false', 'false', 'true' ],
+  [ 'false', 'true', 'false', 'true' ],
+  [ 'false', 'false', 'true', 'true' ],
+  [ 'false', 'false', 'false', 'false' ],
         'end'
   ];
 
@@ -32,11 +33,12 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=874640
 
     SpecialPowers.pushPrefEnv({"set":[
       ["dom.experimental_forms", state[0] === 'true'],
-      ["dom.forms.datetime", state[1] === 'true']]},
+      ["dom.forms.datetime", state[1] === 'true'],
+      ["dom.forms.datetime.others", state[2] === 'true']]},
       function() {
         iframe.src = 'data:text/html,<script>' +
                  'parent.is("valueAsDate" in document.createElement("input"), ' +
-                 state[2] + ', "valueAsDate presence state should be ' + state[2] + '");' +
+                 state[3] + ', "valueAsDate presence state should be ' + state[3] + '");' +
                  '<\/script>'
      });
   }
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 8c9cac17eb..c9e5271acd 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -1179,10 +1179,13 @@ pref("dom.forms.number", true);
 // platforms which don't have a color picker implemented yet.
 pref("dom.forms.color", true);
 
-// Support for input type=date, time, month, week and datetime-local. By
-// default, disabled.
+// Support for input type=date and type=time. By default, disabled.
 pref("dom.forms.datetime", false);
 
+// Support for input type=month, type=week and type=datetime-local. By default,
+// disabled.
+pref("dom.forms.datetime.others", false);
+
 // Enable time picker UI. By default, disabled.
 pref("dom.forms.datetime.timepicker", false);
 
diff --git a/testing/profiles/prefs_general.js b/testing/profiles/prefs_general.js
index 91218b5f39..ac2c1e077e 100644
--- a/testing/profiles/prefs_general.js
+++ b/testing/profiles/prefs_general.js
@@ -12,6 +12,7 @@ user_pref("dom.experimental_forms", true); // on for testing
 user_pref("dom.forms.number", true); // on for testing
 user_pref("dom.forms.color", true); // on for testing
 user_pref("dom.forms.datetime", true); // on for testing
+user_pref("dom.forms.datetime.others", true); // on for testing
 user_pref("dom.max_script_run_time", 0); // no slow script dialogs
 user_pref("hangmonitor.timeout", 0); // no hang monitor
 user_pref("dom.max_chrome_script_run_time", 0);