fix: acculmulator object has not prototype, to stop looking up string properties in prototype chain

Author: RaihanSharif

Sprint-2/implement/tally.js

@@ -2,6 +2,7 @@ function tally(list) {
   if (!Array.isArray(list)) {
     throw new TypeError("Invalid input: not an array");
   }
+
   return list.reduce((acc, curr) => {
     if (typeof curr !== "string" && typeof curr !== "number") {
       throw new TypeError(
@@ -10,7 +11,8 @@ function tally(list) {
     }
     acc[curr] = (acc[curr] ?? 0) + 1;
     return acc;
-  }, {});
+  }, Object.create(null));
 }
 
+console.log(tally(["toString", "toString"]));
 module.exports = tally;