diff --git a/js/x11/core/examples/simple/creategc.js b/js/x11/core/examples/simple/creategc.js
new file mode 100644
index 0000000..0b4efd0
--- /dev/null
+++ b/js/x11/core/examples/simple/creategc.js
@@ -0,0 +1,15 @@
+var x11 = require('../../lib');
+
+var PointerMotion = x11.eventMask.PointerMotion;
+x11.createClient(function(err, display) {
+    var X = display.client;
+    var root = display.screen[0].root;
+    var white = display.screen[0].white_pixel;
+    var black = display.screen[0].black_pixel;
+
+    var wid = X.AllocID();
+    X.CreateWindow(wid, root, 0, 0, 400, 300, 0, 0, 0, 0, { backgroundPixel: white, eventMask: PointerMotion }); 
+    var gc = X.AllocID();
+    X.CreateGC(gc, wid);     
+    X.MapWindow(wid);
+});