The Stack Data Structure implement

javascript-today-magazine/stack-data-structure.js

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+/**
+ * The Stack Data Structure
+ * A stack is a linear data structure that follows the principle of Last In First Out (LIFO).
+ * This means the last element inserted inside the stack is removed first. 🔥🔥🔥
+ * You can think of the stack data structure as the pile of plates on top of another.
+ * Here's a JavaScript implementation of a stack data structure 👏👏👏
+ */
+var Stack = /** @class */ (function () {
+    // private totalItems: number;
+    function Stack() {
+        this.data = [];
+        this.data = [];
+    }
+    /**
+     * push
+     */
+    Stack.prototype.push = function (record) {
+        this.data.push(record);
+    };
+    /**
+     * pop
+     */
+    Stack.prototype.pop = function () {
+        return this.data.pop();
+    };
+    /**
+     * peek
+     */
+    Stack.prototype.peek = function () {
+        return this.data[this.data.length - 1];
+    };
+    return Stack;
+}());
+var instanceOfStack = new Stack();
+instanceOfStack.push(1);
+instanceOfStack.push(2);
+instanceOfStack.push(12);
+instanceOfStack.push(14);
+instanceOfStack.push(3);
+console.log(instanceOfStack);
+console.log(instanceOfStack.peek());
+instanceOfStack.pop();
+console.log(instanceOfStack);

javascript-today-magazine/stack-data-structure.ts

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+/**
+ * The Stack Data Structure
+ * A stack is a linear data structure that follows the principle of Last In First Out (LIFO).
+ * This means the last element inserted inside the stack is removed first. 🔥🔥🔥
+ * You can think of the stack data structure as the pile of plates on top of another.
+ * Here's a JavaScript implementation of a stack data structure 👏👏👏
+ */
+
+class Stack {
+  private data: (number | string | undefined)[] = [];
+  // private totalItems: number;
+  constructor() {
+    this.data = [];
+  }
+
+  /**
+   * push
+   */
+  public push(record: number | string) {
+    this.data.push(record);
+  }
+  /**
+   * pop
+   */
+  public pop() {
+    return this.data.pop()
+  }
+
+  /**
+   * peek
+   */
+  public peek() {
+    return this.data[this.data.length - 1];
+  }
+}
+
+const instanceOfStack = new Stack();
+instanceOfStack.push(1);
+instanceOfStack.push(2);
+instanceOfStack.push(12);
+instanceOfStack.push(14);
+instanceOfStack.push(3);
+console.log(instanceOfStack);
+console.log(instanceOfStack.peek());
+instanceOfStack.pop();
+console.log(instanceOfStack);