keycloak-aplcache

diff --git a/docbook/reference/en/en-US/modules/javascript-adapter.xml b/docbook/reference/en/en-US/modules/javascript-adapter.xml
index 80f04ed..30f8dd0 100755
--- a/docbook/reference/en/en-US/modules/javascript-adapter.xml
+++ b/docbook/reference/en/en-US/modules/javascript-adapter.xml
@@ -305,6 +305,23 @@ keycloak.updateToken(5).success(function(refreshed) {
 ]]></programlisting>
 
             </simplesect>
+
+            <simplesect>
+                <title>clearToken()</title>
+
+                <para>
+                    Clear authentication state, including tokens. This can be useful if application has detected the session
+                    has expired, for example if updating token fails. Invoking this results in onAuthLogout callback listener
+                    being invoked.
+                </para>
+
+                <programlisting><![CDATA[
+keycloak.updateToken(5).error(function() {
+    keycloak.clearToken();
+});
+]]></programlisting>
+
+            </simplesect>
         </section>
 
         <section>

diff --git a/integration/js/src/main/resources/keycloak.js b/integration/js/src/main/resources/keycloak.js
index 13b813b..7ff1959 100755
--- a/integration/js/src/main/resources/keycloak.js
+++ b/integration/js/src/main/resources/keycloak.js
@@ -336,6 +336,16 @@
             return promise.promise;
         }
 
+        kc.clearToken = function() {
+            if (kc.token) {
+                setToken(null, null, null);
+                kc.onAuthLogout && kc.onAuthLogout();
+                if (kc.loginRequired) {
+                    kc.login();
+                }
+            }
+        }
+
         function getRealmUrl() {
             if (kc.authServerUrl.charAt(kc.authServerUrl.length - 1) == '/') {
                 return kc.authServerUrl + 'realms/' + encodeURIComponent(kc.realm);
@@ -463,16 +473,6 @@
             return promise.promise;
         }
 
-        function clearToken() {
-            if (kc.token) {
-                setToken(null, null, null);
-                kc.onAuthLogout && kc.onAuthLogout();
-                if (kc.loginRequired) {
-                    kc.login();
-                }
-            }
-        }
-
         function setToken(token, refreshToken, idToken) {
             if (token) {
                 kc.token = token;
@@ -697,7 +697,7 @@
                 if ((!kc.sessionId || kc.sessionId == data.session) && data.loggedIn) {
                     promise.setSuccess();
                 } else {
-                    clearToken();
+                    kc.clearToken();
                     promise.setError();
                 }
             };
@@ -832,7 +832,7 @@
                             if (error) {
                                 promise.setError();
                             } else {
-                                clearToken();
+                                kc.clearToken();
                                 promise.setSuccess();
                             }
                         });