remove unnecessary functions

Author: hasanalkaf3

Data-Structures/Array/Reverse.js

@@ -8,7 +8,7 @@
 const Reverse = (arr) => {
   // limit specifies the amount of Reverse actions
   for (let i = 0, j = arr.length - 1; i < arr.length / 2; i++, j--)
-    [arr[i], arr[j]] = [arr[j], arr[i]] // Swapping elements ES6 way
+    [arr[i], arr[j]] = [arr[j], arr[i]]
 
   return arr
 }

Data-Structures/Stack/Stack.js

@@ -8,52 +8,48 @@
 // Functions: push, pop, peek, view, length
 
 // Creates a stack constructor
-const Stack = (function () {
-  class Stack {
-    constructor() {
-      // The top of the Stack
-      this.top = 0
-      // The array representation of the stack
-      this.stack = []
-    }
-
-    // Adds a value onto the end of the stack
-    push(value) {
-      this.stack[this.top] = value
-      this.top++
-    }
+class Stack {
+  constructor() {
+    // The top of the Stack
+    this.top = 0
+    // The array representation of the stack
+    this.stack = []
+  }
 
-    // Removes and returns the value at the end of the stack
-    pop() {
-      if (this.top === 0) {
-        return 'Stack is Empty'
-      }
+  // Adds a value onto the end of the stack
+  push(value) {
+    this.stack[this.top] = value
+    this.top++
+  }
 
-      this.top--
-      const result = this.stack[this.top]
-      this.stack = this.stack.splice(0, this.top)
-      return result
+  // Removes and returns the value at the end of the stack
+  pop() {
+    if (this.top === 0) {
+      return 'Stack is Empty'
     }
 
-    // Returns the size of the stack
-    size() {
-      return this.top
-    }
+    this.top--
+    const result = this.stack[this.top]
+    this.stack = this.stack.splice(0, this.top)
+    return result
+  }
 
-    // Returns the value at the end of the stack
-    peek() {
-      return this.stack[this.top - 1]
-    }
+  // Returns the size of the stack
+  size() {
+    return this.top
+  }
 
-    // To see all the elements in the stack
-    view(output = (value) => console.log(value)) {
-      for (let i = 0; i < this.top; i++) {
-        output(this.stack[i])
-      }
-    }
+  // Returns the value at the end of the stack
+  peek() {
+    return this.stack[this.top - 1]
   }
 
-  return Stack
-})()
+  // To see all the elements in the stack
+  view(output = (value) => console.log(value)) {
+    for (let i = 0; i < this.top; i++) {
+      output(this.stack[i])
+    }
+  }
+}
 
 export { Stack }