diff --git a/Data Structures/map.js b/Data Structures/map.js
new file mode 100644
index 0000000..c1ebcbd
--- /dev/null
+++ b/Data Structures/map.js	
@@ -0,0 +1,34 @@
+// https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/create-a-map-data-structure
+
+var Map = function () {
+  this.collection = {};
+  // Only change code below this line
+  this.add = (k, v) => {
+    this.collection[k] = v;
+  };
+
+  this.remove = (k) => {
+    delete this.collection[k];
+  };
+
+  this.get = (k) => {
+    return this.collection[k];
+  };
+
+  this.has = (k) => {
+    return this.collection[k] !== undefined;
+  };
+
+  this.values = () => {
+    return Object.values(this.collection);
+  };
+
+  this.size = () => {
+    return Object.keys(this.collection).length;
+  };
+
+  this.clear = () => {
+    this.collection = {};
+  };
+  // Only change code above this line
+};