From 83cfdefa061cc6ed7284dae2794b554342b1256e Mon Sep 17 00:00:00 2001
From: Harish sambasivam <39916450+harishsambasivam@users.noreply.github.com>
Date: Wed, 1 Jul 2020 15:43:51 +0530
Subject: [PATCH 1/3] fixed issue with delete operator

using delete operator in arrays ,element remains undefined. so splice is the clean way to do that
---
 Data-Structures/Stack/Stack.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Data-Structures/Stack/Stack.js b/Data-Structures/Stack/Stack.js
index 8be28006a7..4c094cda80 100644
--- a/Data-Structures/Stack/Stack.js
+++ b/Data-Structures/Stack/Stack.js
@@ -29,8 +29,8 @@ var Stack = (function () {
     }
 
     this.top--
-    var result = this.stack[this.top]
-    delete this.stack[this.top]
+    let result = this.stack[this.top];
+    this.stack = this.stack.splice(0,this.top);
     return result
   }
 

From 85b860d340e3003eb63ee67f5b822863b92a067f Mon Sep 17 00:00:00 2001
From: Harish sambasivam <39916450+harishsambasivam@users.noreply.github.com>
Date: Sun, 19 Jul 2020 10:15:15 +0530
Subject: [PATCH 2/3] Fixed the semicolon and let errors

---
 Data-Structures/Stack/Stack.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Data-Structures/Stack/Stack.js b/Data-Structures/Stack/Stack.js
index 4c094cda80..668edbbe12 100644
--- a/Data-Structures/Stack/Stack.js
+++ b/Data-Structures/Stack/Stack.js
@@ -29,8 +29,8 @@ var Stack = (function () {
     }
 
     this.top--
-    let result = this.stack[this.top];
-    this.stack = this.stack.splice(0,this.top);
+    var result = this.stack[this.top]
+    this.stack = this.stack.splice(0,this.top)
     return result
   }
 

From 24e6e066a125338d5b2783deca9d76da2d760452 Mon Sep 17 00:00:00 2001
From: Harish sambasivam <39916450+harishsambasivam@users.noreply.github.com>
Date: Mon, 20 Jul 2020 07:02:35 +0530
Subject: [PATCH 3/3] Update Stack.js

---
 Data-Structures/Stack/Stack.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Data-Structures/Stack/Stack.js b/Data-Structures/Stack/Stack.js
index 668edbbe12..f95b940599 100644
--- a/Data-Structures/Stack/Stack.js
+++ b/Data-Structures/Stack/Stack.js
@@ -30,7 +30,7 @@ var Stack = (function () {
 
     this.top--
     var result = this.stack[this.top]
-    this.stack = this.stack.splice(0,this.top)
+    this.stack = this.stack.splice(0, this.top)
     return result
   }