diff --git a/13_Object_Oriented_Programming/HTML/index.html b/13_Object_Oriented_Programming/HTML/index.html
index 6e22336..b1caf88 100644
--- a/13_Object_Oriented_Programming/HTML/index.html
+++ b/13_Object_Oriented_Programming/HTML/index.html
@@ -17,7 +17,8 @@ <h1> Javascript Object </h1>
     <!-- <script src="../Js/49_13_7_ImmediateFunction.js"></script> -->
     <!-- <script src="../Js/50_13_8_Function_return_Function.js"></script> -->
     <!-- <script src="../Js/51_13_9_Setter_Getter.js"></script> -->
-    <script src="../Js/52_13_10_Call_Applay_Bind_Funciio.js"></script>
+    <!-- <script src="../Js/52_13_10_Call_Applay_Bind_Funciio.js"></script> -->
+    <script src="../Js/53_13_11_Error_Handling.js"></script>
 
   </body>
 
diff --git a/13_Object_Oriented_Programming/Js/53_13_11_Error_Handling.js b/13_Object_Oriented_Programming/Js/53_13_11_Error_Handling.js
new file mode 100644
index 0000000..9b96ac0
--- /dev/null
+++ b/13_Object_Oriented_Programming/Js/53_13_11_Error_Handling.js
@@ -0,0 +1,49 @@
+// * Error Handling
+
+
+
+// ReferenceError
+
+try {
+    console.log(wilFunction());
+
+} catch (error) {
+    console.log(error.message)
+    console.log(error.name)
+
+    console.log(error instanceof ReferenceError)
+    console.log(error instanceof TypeError)
+}
+
+
+console.log("+++++++++++++++++++++++")
+
+
+let wil = {
+    name:"Lider"
+}
+
+try {
+    console.log(wil.surename)// underfind
+    if (!surename){
+        // throw new SyntaxError("User has no email");
+        throw new TypeError("User has no email");
+    }
+} catch (error) {
+    console.log(error)
+    console.log(error.message)
+    console.log(error.name)//Referance Error
+} finally {
+    console.log("finally block every time using")
+}
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Documantation/13_Object_Oriented/documentation.md b/Documantation/13_Object_Oriented/documentation.md
index ab85fbe..1fd628d 100644
--- a/Documantation/13_Object_Oriented/documentation.md
+++ b/Documantation/13_Object_Oriented/documentation.md
@@ -60,4 +60,7 @@ Burada bizə `Object.create()` methodu köməyimizə gəlir.
 
 ### Call ,Apply and Bind Function
 ***
-> call methodu vastəsi ilə classın constractorunu çağəra bilir. Call və Apply eyni funksiyanı yerinə yetirir sadəcə **prametr** qəbul edrkən Call prametirləri vergüllərlə ayırır,Apply prametrirləri **array** olaraq  əbul edir.Bind isə həmin funksiyanı özəlləşdirərək bizə qatarırır.
\ No newline at end of file
+> call methodu vastəsi ilə classın constractorunu çağəra bilir. Call və Apply eyni funksiyanı yerinə yetirir sadəcə **prametr** qəbul edrkən Call prametirləri vergüllərlə ayırır,Apply prametrirləri **array** olaraq  əbul edir.Bind isə həmin funksiyanı özəlləşdirərək bizə qatarırır.
+
+
+
diff --git a/README.md b/README.md
index 23502ac..d9f3f6d 100644
--- a/README.md
+++ b/README.md
@@ -132,4 +132,5 @@
 - [Setter Getter](https://github.com/DrMadWill/JavaScript/blob/main/13_Object_Oriented_Programming/Js/51_13_9_Setter_Getter.js)
     - [My Documantation](https://github.com/DrMadWill/JavaScript/blob/main/Documantation/13_Object_Oriented/documentation.md#encapsulation)
 - [Call,Apply and Bind Function](https://github.com/DrMadWill/JavaScript/blob/main/13_Object_Oriented_Programming/Js/52_13_10_Call_Applay_Bind_Funciio.js)
-    - [My Documantation](https://github.com/DrMadWill/JavaScript/blob/main/Documantation/13_Object_Oriented/documentation.md#call-apply-and-bind-function)
\ No newline at end of file
+    - [My Documantation](https://github.com/DrMadWill/JavaScript/blob/main/Documantation/13_Object_Oriented/documentation.md#call-apply-and-bind-function)
+- [Error Handling]()
\ No newline at end of file