diff --git a/Examples/Makefile.in b/Examples/Makefile.in
index a2a211cbd..17e66acce 100644
--- a/Examples/Makefile.in
+++ b/Examples/Makefile.in
@@ -668,6 +668,11 @@ android_clean:
 #####                       JAVASCRIPT                      ######
 ##################################################################
 
+# Note: These targets are used from withing Makefiles in the Example directories.
+# There is a common makefile, 'Examples/javascript/js_example.mk' to simplify
+# create a configuration for a new example.
+
+
 ROOT_DIR = @ROOT_DIR@
 JSCFLAGS = @JSCFLAGS@
 JSCXXFLAGS = @JSCXXFLAGS@
@@ -689,6 +694,7 @@ JSCXXSHARED = @JSCXXSHARED@
 #		environment.
 #   For testing native v8 and jsc extensions we provide our own
 #		interpreter (see 'Tools/javascript').
+#
 # ----------------------------------------------------------------
 
 JS_INTERPRETER_SRC_DIR = $(ROOT_DIR)/Tools/javascript
@@ -717,19 +723,38 @@ javascript_exe: $(SRCS)
 SWIGJS   = $(SWIG) -javascript
 
 # ----------------------------------------------------------------
-# Run the javascript executable
+# Creating and building Javascript wrappers
 # ----------------------------------------------------------------
 
-javascript: $(SRCS)
+javascript_wrapper:
 	$(SWIGJS) $(SWIGOPT) $(INTERFACEPATH)
+
+javascript_wrapper_cpp: $(SRCS)
+	$(SWIGJS) -c++ $(SWIGOPT) $(INTERFACEPATH)
+
+javascript_build: $(SRCS)
 	$(CC) -c $(CCSHARED) $(CFLAGS) $(JSCFLAGS) $(ISRCS) $(SRCS) $(INCLUDES) $(JSINCLUDES)
 	$(LDSHARED) $(CFLAGS) $(OBJS) $(IOBJS) $(JSDYNAMICLINKING) $(LIBS) -o $(LIBPREFIX)$(TARGET)$(SO)
 
-javascript_cpp: $(SRCS)
-	$(SWIGJS) -c++ $(SWIGOPT) $(INTERFACEPATH)
+javascript_build_cpp:: $(SRCS)
 	$(CXX) -c $(CCSHARED) $(CFLAGS) $(JSCFLAGS) $(ICXXSRCS) $(SRCS) $(CXXSRCS) $(INCLUDES) $(JSINCLUDES)
 	$(CXXSHARED) $(CFLAGS) $(OBJS) $(IOBJS) $(JSDYNAMICLINKING) $(LIBS) $(CPP_DLLIBS) -o $(LIBPREFIX)$(TARGET)$(SO)
 
+# TODO: make node-gyp configurable and detected via ./configure
+javascript_build_node: $(SRCS)
+	node-gyp --loglevel=silent configure build 1>>/dev/null
+
+# -----------------------------------------------------------------
+# Running a javascript example
+# -----------------------------------------------------------------
+
+javascript_run:
+	$(JS_INTERPRETER_SRC_DIR)/javascript -$(JSENGINE) runme.js
+
+# TODO: make node configurable and detected via ./configure
+javascript_run_node:
+	node runme.js
+
 # -----------------------------------------------------------------
 # Cleaning the javascript examples
 # -----------------------------------------------------------------
@@ -740,6 +765,8 @@ javascript_clean:
 	rm -f core @EXTRA_CLEAN@
 	rm -f *.@OBJEXT@ *@JSSO@
 
+
+
 ##################################################################
 #####                      MODULA3                          ######
 ##################################################################
@@ -1604,7 +1631,7 @@ R_SCRIPT=$(RUNME).R
 r: $(SRCS)
 	$(SWIG) -r $(SWIGOPT) $(INTERFACEPATH)
 ifneq ($(SRCS),)
-	$(CC) -g -c $(CFLAGS) $(R_CFLAGS) $(SRCS) $(INCLUDES) 
+	$(CC) -g -c $(CFLAGS) $(R_CFLAGS) $(SRCS) $(INCLUDES)
 endif
 	+( PKG_CPPFLAGS="$(INCLUDES)" $(COMPILETOOL) $(R) CMD SHLIB -o $(LIBPREFIX)$(TARGET)$(SO) $(ISRCS) $(OBJS) > /dev/null )
 
diff --git a/Examples/javascript/class/Makefile b/Examples/javascript/class/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/class/Makefile
+++ b/Examples/javascript/class/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/constant/Makefile b/Examples/javascript/constant/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/constant/Makefile
+++ b/Examples/javascript/constant/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/enum/Makefile b/Examples/javascript/enum/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/enum/Makefile
+++ b/Examples/javascript/enum/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/exception/Makefile b/Examples/javascript/exception/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/exception/Makefile
+++ b/Examples/javascript/exception/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/functor/Makefile b/Examples/javascript/functor/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/functor/Makefile
+++ b/Examples/javascript/functor/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/js_example.mk b/Examples/javascript/js_example.mk
new file mode 100644
index 000000000..c2e9c6dcf
--- /dev/null
+++ b/Examples/javascript/js_example.mk
@@ -0,0 +1,63 @@
+# Note: as a convention an example must be in a child directory of this.
+# These paths are relative to such an example directory
+EXAMPLES_TOP=../..
+SWIG_TOP=../../..
+
+SWIG = $(SWIG_TOP)/preinst-swig
+
+# TODO: we could only set these only if not yet set...
+JS_SCRIPT = runme.js
+TARGET = example
+INTERFACE = example.i
+
+ifneq (, $(ENGINE))
+	JSENGINE=$(ENGINE)
+else
+	JSENGINE=node
+endif
+
+ifeq (node,$(JSENGINE))
+  SWIGOPT=-v8 -DBUILDING_NODE_EXTENSION=1
+endif
+
+ifeq (v8,$(JSENGINE))
+  SWIGOPT=-v8
+endif
+
+ifeq (jsc,$(JSENGINE))
+  SWIGOPT=-jsc
+endif
+
+
+ifeq (node,$(JSENGINE))
+
+build: wrapper
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile CXXSRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' JSENGINE='$(JSENGINE)' javascript_build_node
+
+else
+
+build: wrapper
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile CXXSRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' JSENGINE='$(JSENGINE)' javascript_build_cpp
+
+endif
+
+wrapper:
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile CXXSRCS='$(SRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
+
+ifeq (node,$(JSENGINE))
+
+check: build
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile JSENGINE='$(JSENGINE)' javascript_run_node
+
+else
+
+check: build
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile JSENGINE='$(JSENGINE)' javascript_run
+
+endif
+
+clean:
+	$(MAKE) -f $(EXAMPLES_TOP)/Makefile javascript_clean
diff --git a/Examples/javascript/namespace/Makefile b/Examples/javascript/namespace/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/namespace/Makefile
+++ b/Examples/javascript/namespace/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/operator/Makefile b/Examples/javascript/operator/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/operator/Makefile
+++ b/Examples/javascript/operator/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/overload/Makefile b/Examples/javascript/overload/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/overload/Makefile
+++ b/Examples/javascript/overload/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/pointer/Makefile b/Examples/javascript/pointer/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/pointer/Makefile
+++ b/Examples/javascript/pointer/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/reference/Makefile b/Examples/javascript/reference/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/reference/Makefile
+++ b/Examples/javascript/reference/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/simple/Makefile b/Examples/javascript/simple/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/simple/Makefile
+++ b/Examples/javascript/simple/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/template/Makefile b/Examples/javascript/template/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/template/Makefile
+++ b/Examples/javascript/template/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk
diff --git a/Examples/javascript/variables/Makefile b/Examples/javascript/variables/Makefile
index 99a9e9e86..b0934786a 100755
--- a/Examples/javascript/variables/Makefile
+++ b/Examples/javascript/variables/Makefile
@@ -1,21 +1,3 @@
-TOP = ../..
-SWIG = $(TOP)/../preinst-swig
-CXXSRCS    = example.cxx
-JS_SCRIPT = runme.js
-TARGET = example
-INTERFACE = example.i
+SRCS = example.cxx
 
-wrapper::
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
-
-build:: wrapper
-	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
-	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
-
-clean::
-	$(MAKE) -f $(TOP)/Makefile javascript_clean
-
-check:: build
-	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
-		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run
+include ../js_example.mk