Data commit

Task/Remove-duplicate-elements/JavaScript/remove-duplicate-elements-2.js

@@ -0,0 +1,11 @@
+Array.prototype.unique = function() {
+    var u = this.concat().sort();
+    for (var i = 1; i < u.length; ) {
+        if (u[i-1] === u[i])
+            u.splice(i,1);
+        else
+            i++;
+    }
+    return u;
+}
+var uniq = [1, 2, 3, "a", "b", "c", 2, 3, 4, "b", "c", "d"].unique();