Code to find Armstrong Number in an array

Given an array of n elements to find the Armstrong in it

armstrongnoinarr.js

@@ -0,0 +1,20 @@
+var arr=[143,153,345,1634]
+for(var i=0;i<arr.length;i++){
+    var n=arr[i];
+var p=0;
+var n1=n;
+var ch=n;
+while(n>0){
+    n=parseInt(n/10);
+    p++
+}
+var r;
+var r1;
+var ans=0;
+while(n1>0){
+    r1=n1%10;
+    ans+=r1**p;
+    n1=parseInt(n1/10);
+}
+if(ch===ans){
+console.log(ans)}}