diff --git a/scriptengines/javascript/appletinterface.cpp b/scriptengines/javascript/appletinterface.cpp
index 63fdaeeeb..eeedb80aa 100644
--- a/scriptengines/javascript/appletinterface.cpp
+++ b/scriptengines/javascript/appletinterface.cpp
@@ -326,6 +326,11 @@ bool AppletInterface::include(const QString &script)
     return m_appletScriptEngine->include(path);
 }
 
+bool AppletInterface::hasExtension(const QString &extension) const
+{
+    return m_appletScriptEngine->loadedExtensions().contains(extension.toLower());
+}
+
 void AppletInterface::debug(const QString &msg)
 {
     kDebug() << msg;
diff --git a/scriptengines/javascript/appletinterface.h b/scriptengines/javascript/appletinterface.h
index 836855eea..fd730ce7c 100644
--- a/scriptengines/javascript/appletinterface.h
+++ b/scriptengines/javascript/appletinterface.h
@@ -219,6 +219,7 @@ enum QtScrollBarPolicy {
     Q_INVOKABLE QString file(const QString &fileType, const QString &filePath);
 
     Q_INVOKABLE bool include(const QString &script);
+    Q_INVOKABLE bool hasExtension(const QString &extension) const;
 
     Q_INVOKABLE void debug(const QString &msg);