diff --git a/docbook/reference/en/en-US/modules/javascript-adapter.xml b/docbook/reference/en/en-US/modules/javascript-adapter.xml
index 4ef2a34..03a303d 100755
--- a/docbook/reference/en/en-US/modules/javascript-adapter.xml
+++ b/docbook/reference/en/en-US/modules/javascript-adapter.xml
@@ -191,6 +191,7 @@ new Keycloak({ url: 'http://localhost/auth', realm: 'myrealm', clientId: 'myApp'
<itemizedlist>
<listitem>redirectUri - specifies the uri to redirect to after login</listitem>
<listitem>prompt - can be set to 'none' to check if the user is logged in already (if not logged in a login form is not displayed)</listitem>
+ <listitem>loginHint - used to pre-fill the username/email field on the login form</listitem>
</itemizedlist>
</para>
</simplesect>
diff --git a/integration/js/src/main/resources/keycloak.js b/integration/js/src/main/resources/keycloak.js
index 4b3d9fe..8e99c07 100755
--- a/integration/js/src/main/resources/keycloak.js
+++ b/integration/js/src/main/resources/keycloak.js
@@ -136,6 +136,10 @@
url += '&prompt=' + options.prompt;
}
+ if (options && options.loginHint) {
+ url += '&login_hint=' + options.loginHint;
+ }
+
return url;
}