Chalenge solved

src/challenge.js

@@ -1,10 +1,26 @@
-const { Deque } = require ('./deque.js');
+const { Deque } = require('./deque.js');
 
+/**
+ * 
+ * @param {string} text 
+ * @returns {boolean}
+ */
 function palindromeChecker(text) {
+  if (!text) return false;
+
+  const dequeText = new Deque(
+    text.replace(/ /g, '').toLowerCase()
+  );
 
-  // your code
+  while (!dequeText.isEmpty()) {
+    if (dequeText.peekBack() !== dequeText.peekFront()) {
+      return false;
+    }
+    dequeText.removeBack();
+    dequeText.removeFront();
+  }
 
-  return;
+  return true;
 }
 
 module.exports = { palindromeChecker };

src/deque.js

@@ -1,9 +1,19 @@
 class Deque {
 
-  constructor() {
+  constructor(iterable=undefined) {
     this.count = 0;
     this.topCount = 0;
     this.items = {};
+
+    if (iterable) {
+      const iterator = iterable[Symbol.iterator]();
+      let element = iterator.next();
+      while(!element.done) {
+        this.addBack(element.value);
+        element = iterator.next();
+      }
+
+    }
   }
 
   addFront(element) {