diff --git a/Makefile b/Makefile
index 551bfeb..82ac780 100644
--- a/Makefile
+++ b/Makefile
@@ -75,10 +75,10 @@
 $(IMGUI_JS_SOURCE_TS): bind-imgui.d.ts tsconfig.json
 
 # %.js: %.ts
-# $(IMGUI_JS_OUTPUT_JS): $(IMGUI_JS_SOURCE_TS)
-imgui.js: imgui.ts
-imgui_demo.js: imgui_demo.ts
-imgui_memory_editor.js: imgui_memory_editor.ts
+$(IMGUI_JS_OUTPUT_JS): $(IMGUI_JS_SOURCE_TS)
+# imgui.js: imgui.ts
+# imgui_demo.js: imgui_demo.ts
+# imgui_memory_editor.js: imgui_memory_editor.ts
 # $(word 1, $(IMGUI_JS_OUTPUT_JS)): $(IMGUI_JS_SOURCE_TS)
 	$$(npm bin)/tsc -p .
 
@@ -93,10 +93,10 @@
 $(IMGUI_JS_EXAMPLE_SOURCE_TS): bind-imgui.d.ts example/tsconfig.json
 
 # example/%.js: example/%.ts
-# $(IMGUI_JS_EXAMPLE_OUTPUT_JS): $(IMGUI_JS_EXAMPLE_SOURCE_TS)
+$(IMGUI_JS_EXAMPLE_OUTPUT_JS): $(IMGUI_JS_EXAMPLE_SOURCE_TS)
 # $(word 1, $(IMGUI_JS_EXAMPLE_OUTPUT_JS)): $(IMGUI_JS_EXAMPLE_SOURCE_TS)
-example/main.js: example/main.ts
-example/imgui_impl.js: example/imgui_impl.ts
+# example/main.js: example/main.ts
+# example/imgui_impl.js: example/imgui_impl.ts
 	$$(npm bin)/tsc -p example
 
 start-example: start-example-node
@@ -105,7 +105,7 @@
 	node example/index.js
 
 start-example-html:
-	@echo "open http://localhost:8080/example/index.html"
+	@echo http://localhost:8080/example/index.html
 	$$(npm bin)/http-server
 
 # native-example
@@ -114,20 +114,33 @@
 IMGUI_NATIVE_EXAMPLE_SOURCE_CXX += $(IMGUI_NATIVE_EXAMPLE_PATH)/main.cpp
 IMGUI_NATIVE_EXAMPLE_SOURCE_CXX += $(IMGUI_NATIVE_EXAMPLE_PATH)/imgui_impl_sdl.cpp
 
+IMGUI_NATIVE_EXAMPLE_BUILD = echo $$(uname)
+IMGUI_NATIVE_EXAMPLE_CLEAN = echo $$(uname)
+IMGUI_NATIVE_EXAMPLE_START = echo $$(uname)
+ifeq ($(shell uname),Linux)
+IMGUI_NATIVE_EXAMPLE_OUTPUT = $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-linux
+IMGUI_NATIVE_EXAMPLE_BUILD = c++ `sdl2-config --cflags` -I $(IMGUI_NATIVE_EXAMPLE_PATH) -I $(IMGUI_PATH) -D HAVE_MALLINFO $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) `sdl2-config --libs` -lGL -o $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_CLEAN = rm -f $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_START = $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+endif
+ifeq ($(shell uname),Darwin)
+IMGUI_NATIVE_EXAMPLE_OUTPUT = $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-macos
+IMGUI_NATIVE_EXAMPLE_BUILD = c++ `sdl2-config --cflags` -I $(IMGUI_NATIVE_EXAMPLE_PATH) -I $(IMGUI_PATH) $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) `sdl2-config --libs` -framework OpenGl -o $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_CLEAN = rm -f $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_START = $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+endif
+ifeq ($(OS),Windows_NT)
+IMGUI_NATIVE_EXAMPLE_OUTPUT = $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-windows.exe
+IMGUI_NATIVE_EXAMPLE_BUILD = set SDL2DIR=C:\SDL2 && cl /Zi /MD /I $(IMGUI_NATIVE_EXAMPLE_PATH) /I $(IMGUI_PATH) /I %SDL2DIR%\include $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) /link /LIBPATH:%SDL2DIR%\lib SDL2.lib SDL2main.lib opengl32.lib /subsystem:console /Fe $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_CLEAN = rm -f $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+IMGUI_NATIVE_EXAMPLE_START = $(IMGUI_NATIVE_EXAMPLE_OUTPUT)
+endif
+
 build-native-example:
-#	windows
-#	set SDL2DIR=C:\SDL2 && cl /Zi /MD /I $(IMGUI_NATIVE_EXAMPLE_PATH) /I $(IMGUI_PATH) /I %SDL2DIR%\include $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) /link /LIBPATH:%SDL2DIR%\lib SDL2.lib SDL2main.lib opengl32.lib /subsystem:console /Fe $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-windows.exe
-#	linux
-	c++ `sdl2-config --cflags` -I $(IMGUI_NATIVE_EXAMPLE_PATH) -I $(IMGUI_PATH) -D HAVE_MALLINFO $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) `sdl2-config --libs` -lGL -o $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-linux
-#	macos
-#	c++ `sdl2-config --cflags` -I $(IMGUI_NATIVE_EXAMPLE_PATH) -I $(IMGUI_PATH) $(IMGUI_NATIVE_EXAMPLE_SOURCE_CXX) $(IMGUI_SOURCE_CXX) `sdl2-config --libs` -framework OpenGl -o $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-macos
+	$(IMGUI_NATIVE_EXAMPLE_BUILD)
 
 clean-native-example:
-#	rm -f $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-windows
-	rm -f $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-linux
-#	rm -f $(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-macos
+	$(IMGUI_NATIVE_EXAMPLE_CLEAN)
 
 start-native-example:
-#	$(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-windows
-	$(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-linux
-#	$(IMGUI_NATIVE_EXAMPLE_PATH)/sdl2example-macos
+	$(IMGUI_NATIVE_EXAMPLE_START)