diff --git a/04week/loop.js b/04week/loop.js
index e69de29bb..937812de4 100644
--- a/04week/loop.js
+++ b/04week/loop.js
@@ -0,0 +1,18 @@
+var i = 0;
+do {
+    i++;
+}
+while ( i <= 1000);
+
+person = {
+    firstName: "Jane",
+    lastName: "Doe",
+    birthDate: "Jan 5, 1925",
+    gender: "female"
+}
+
+for(x in person){
+    if(){
+        console.log(person.birthDate);
+    }
+}
\ No newline at end of file