diff --git a/hello world in react js b/hello world in react js
new file mode 100644
index 0000000..d0f87a5
--- /dev/null
+++ b/hello world in react js	
@@ -0,0 +1,4 @@
+ReactDOM.render(
+  <h1>Hello, world!</h1>,
+  document.getElementById('root')
+);