diff --git a/lib.js b/lib.js
index 7e92e5c..b53d689 100644
--- a/lib.js
+++ b/lib.js
@@ -32,6 +32,19 @@ function releaseAllKeys()
       keyStrokes[i] = false;
     }
 }
+function releaseKeys(toRelease)
+{
+	if(typeof toRelease !== "object" && (!Array.isArray || Array.isArray(toRelease)))
+        throw new TypeError("Expected array");
+	for(var i=0;i< toRelease.length;i++)
+    {
+      keyStrokes[toRelease[i]] = false;
+    }
+}
+function releaseKey(toRelease)
+{
+	keyStrokes[toRelease] = false;
+}
 var key = {
     A:65,B:66,C:67,D:68,E:69,F:70,G:71,H:72,I:73,J:74,K:75,L:76,M:77,N:78,O:79,P:80,Q:81,R:82,S:83,T:84,U:85,V:86,W:87,X:88,Y:89,Z:90,
     ZERO:48,ONE:49,TWO:50,THREE:51,FOUR:52,FIVE:53,SIX:54,SEVEN:55,EIGHT:56,NINE:57,