diff --git a/Hello world by reactjs b/Hello world by reactjs
new file mode 100644
index 00000000..f12bec2e
--- /dev/null
+++ b/Hello world by reactjs	
@@ -0,0 +1,2 @@
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(<h1>Hello, world!</h1>);