diff --git a/courses/arrays/manipulate-arrays.md b/courses/arrays/manipulate-arrays.md
index 4c15b67..33b0e9c 100644
--- a/courses/arrays/manipulate-arrays.md
+++ b/courses/arrays/manipulate-arrays.md
@@ -74,5 +74,5 @@ ourArray.unshift("Happy");
 `ourArray` القيمة `["Happy"، "J"، "cat"]`.
 
 <div class="quiz">
-نعتذر عن عدم وجود اختبار لهذا الدرس حالياً. نحن نعمل بجد لإعداد اختبارات لجميع الدروس وسنقوم بتوفيرها في أقرب وقت ممكن.
+`قم بحذف أول عنصر من المصفوفة myArray وأضف العنصر <code>[Ali", 35"]</code> إلى بداية المصفوفة.`
 </div>
diff --git a/precodes/arrays/manipulate-arrays.js b/precodes/arrays/manipulate-arrays.js
new file mode 100644
index 0000000..0e61098
--- /dev/null
+++ b/precodes/arrays/manipulate-arrays.js
@@ -0,0 +1 @@
+const myArray = ["a", "b", "c", "d"];
\ No newline at end of file
diff --git a/testcases/arrays/manipulate-arrays.js b/testcases/arrays/manipulate-arrays.js
new file mode 100644
index 0000000..fd97717
--- /dev/null
+++ b/testcases/arrays/manipulate-arrays.js
@@ -0,0 +1,33 @@
+function handleCodeRun(code) {
+  try {
+    const capturedOutput = [];
+    const originalConsoleLog = console.log;
+    console.log = (...args) => {
+      capturedOutput.push(
+        args.map((arg) => {
+          if (typeof arg === "object" && arg !== null) {
+            return JSON.stringify(arg);
+          }
+          return arg.toString();
+        }).join(" "),
+      );
+      originalConsoleLog(...args);
+    };
+    if (code) {
+      eval(code);
+    }
+    console.log = originalConsoleLog;
+    return capturedOutput.join("\n");
+  } catch (error) {
+    return `${error}`;
+  }
+}
+code += "\nconsole.log(myArray);";
+const out = handleCodeRun(code);
+if (out === '["b","c","d","Ali",35]') {
+  isPass = true;
+  msg = "Pass!";
+} else {
+    isPass = false;
+    msg = "Fail!";
+}
\ No newline at end of file