diff --git a/right triangle.js b/right triangle.js
new file mode 100644
index 0000000..d6e4d7b
--- /dev/null
+++ b/right triangle.js	
@@ -0,0 +1,13 @@
+//right triangle
+var n=5;
+var st="";
+for(var i=0;i<n;i++){
+    for(j=n-1;j>i;j--){
+        st+=" ";
+     }
+    for(k=0;k<=i;k++){
+        st+="*"
+    }
+    st+="\n";
+}
+console.log(st);
\ No newline at end of file