Updated instancing examples.

examples/webgl_buffergeometry_instancing.html

@@ -212,7 +212,7 @@
 
 			renderer = new THREE.WebGLRenderer();
 
-			if ( !renderer.supportsInstancedArrays ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
 				document.getElementById( "notSupported" ).style.display = "";
 				return;
 			}

examples/webgl_buffergeometry_instancing_billboards.html

@@ -117,7 +117,7 @@
 
 			renderer = new THREE.WebGLRenderer();
 
-			if ( !renderer.supportsInstancedArrays ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
 				document.getElementById( "notSupported" ).style.display = "";
 				return false;
 			}

examples/webgl_buffergeometry_instancing_dynamic.html

@@ -260,7 +260,7 @@
 			scene.add( mesh );
 
 
-			if ( !renderer.supportsInstancedArrays ) {
+			if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
 				document.getElementById( "notSupported" ).style.display = "";
 				return;
 			}

examples/webgl_buffergeometry_instancing_interleaved_dynamic.html

@@ -231,7 +231,7 @@
 		scene.add( mesh );
 
 
-		if ( !renderer.supportsInstancedArrays ) {
+		if ( renderer.extensions.get( 'ANGLE_instanced_arrays' ) === false ) {
 			document.getElementById( "notSupported" ).style.display = "";
 			return;
 		}