diff --git a/dlls/mshtml/htmlevent.c b/dlls/mshtml/htmlevent.c
index 1befd94c742..da2d59bc894 100644
--- a/dlls/mshtml/htmlevent.c
+++ b/dlls/mshtml/htmlevent.c
@@ -109,6 +109,10 @@ typedef struct {
 static const event_info_t event_info[] = {
     {L"abort",             EVENT_TYPE_EVENT,     DISPID_EVMETH_ONABORT,
         EVENT_BIND_TO_TARGET},
+    {L"animationend",      EVENT_TYPE_EVENT,     DISPID_EVPROP_ONANIMATIONEND,
+        EVENT_DEFAULTLISTENER | EVENT_BUBBLES},
+    {L"animationstart",    EVENT_TYPE_EVENT,     DISPID_EVPROP_ONANIMATIONSTART,
+        EVENT_DEFAULTLISTENER | EVENT_BUBBLES},
     {L"beforeactivate",    EVENT_TYPE_EVENT,     DISPID_EVMETH_ONBEFOREACTIVATE,
         EVENT_FIXME | EVENT_BUBBLES | EVENT_CANCELABLE},
     {L"beforeunload",      EVENT_TYPE_EVENT,     DISPID_EVMETH_ONBEFOREUNLOAD,
@@ -185,6 +189,8 @@ static const event_info_t event_info[] = {
         EVENT_FIXME}
 };
 
+C_ASSERT(ARRAY_SIZE(event_info) == EVENTID_LAST);
+
 static eventid_t str_to_eid(const WCHAR *str)
 {
     int i;
diff --git a/dlls/mshtml/htmlevent.h b/dlls/mshtml/htmlevent.h
index c5d9753722a..69655d2a4ee 100644
--- a/dlls/mshtml/htmlevent.h
+++ b/dlls/mshtml/htmlevent.h
@@ -18,6 +18,8 @@
 
 typedef enum {
     EVENTID_ABORT,
+    EVENTID_ANIMATIONEND,
+    EVENTID_ANIMATIONSTART,
     EVENTID_BEFOREACTIVATE,
     EVENTID_BEFOREUNLOAD,
     EVENTID_BLUR,
diff --git a/dlls/mshtml/tests/dom.js b/dlls/mshtml/tests/dom.js
index 0064690ee36..7fc6b87882c 100644
--- a/dlls/mshtml/tests/dom.js
+++ b/dlls/mshtml/tests/dom.js
@@ -401,3 +401,17 @@ sync_test("storage", function() {
     ok(typeof(window.localStorage) === "object",
        "typeof(window.localStorage) = " + typeof(window.localStorage));
 });
+
+async_test("animation", function() {
+    document.body.innerHTML =
+        "<style>" +
+        "  @keyframes testAnimation {0% { opacity: 0; } 100% { opacity: 1; }}" +
+        "  .testAnimation { animation-name: testAnimation; animation-duration: 0.01s; }" +
+        "</style>";
+    var div = document.createElement("div");
+    div.addEventListener("animationstart", function() {
+        div.addEventListener("animationend", next_test);
+    });
+    document.body.appendChild(div);
+    div.className = "testAnimation";
+});