changed the inequality sign and made the value a string as it should be.

Author: MaharitB

practice-tdd/get-ordinal-number.js

@@ -1,17 +1,17 @@
 export function getOrdinalNumber(num) {
   let numStr = num.toString();
-  if (num <= 0 || num == " " || numStr.includes(".")) {
+  if (num <= 0 || num == "" || numStr.includes(".")) {
     throw new Error("Invalid Input");
   }
 
-  if (numStr.slice(-1) == "1" && numStr.slice(-2) != 11) {
+  if (numStr.slice(-1) == "1" && numStr.slice(-2) !== "11") {
     return `${num}st`;
   }
 
-  if (numStr.slice(-1) == "2" && numStr.slice(-2) != 12) {
+  if (numStr.slice(-1) == "2" && numStr.slice(-2) !== "12") {
     return `${num}nd`;
   }
-  if (numStr.slice(-1) == "3" && numStr.slice(-2) != 13) {
+  if (numStr.slice(-1) == "3" && numStr.slice(-2) !== "13") {
     return `${num}rd`;
   }