Open the helper folder by default

examples/webgl_shadowmap_csm.html

@@ -235,6 +235,8 @@
 
 				helperFolder.add( params, 'updateHelper' ).name( 'update' );
 				
+				helperFolder.open();
+
 				window.addEventListener( 'resize', function () {
 
 					camera.aspect = window.innerWidth / window.innerHeight;