Added StrongNumber program

Author: 2393117

Maths/StrongNumber.js

@@ -1,30 +1,29 @@
 function factorial(n) {
-    if (n === 0 || n === 1) {
-        return 1;
-    }
-    let result = 1;
-    for (let i = 2; i <= n; i++) {
-        result *= i;
-    }
-    return result;
+  if (n === 0 || n === 1) {
+    return 1
+  }
+  let result = 1
+  for (let i = 2; i <= n; i++) {
+    result *= i
+  }
+  return result
 }
 
 function isStrongNum(num) {
-    let sum = 0;
-    let originalNum = num;
+  let sum = 0
+  let originalNum = num
 
-    while (num > 0) {
-        let digit = num % 10;
-        sum += factorial(digit);
-        num = Math.floor(num / 10);
-    }
-    
-    return sum === originalNum;
+  while (num > 0) {
+    let digit = num % 10
+    sum += factorial(digit)
+    num = Math.floor(num / 10)
+  }
+
+  return sum === originalNum
 }
-let number=parseInt(prompt("Enter a number"))
-if (isStrongNum(number)){
-    console.log("" + number + " is a Strong Number");
+let number = parseInt(prompt('Enter a number'))
+if (isStrongNum(number)) {
+  console.log('' + number + ' is a Strong Number')
+} else {
+  console.log('' + number + ' is not a Strong Number')
 }
-else{
-    console.log("" + number + " is not a Strong Number");
-}