Created
June 1, 2017 09:51
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JS Bin // source https://jsbin.com/zenopub
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| "use strict"; | |
| var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })(); | |
| function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } | |
| var _items = Symbol(); | |
| var Stack = (function () { | |
| function Stack() { | |
| _classCallCheck(this, Stack); | |
| this[_items] = []; | |
| } | |
| _createClass(Stack, [{ | |
| key: "push", | |
| value: function push(element) { | |
| this[_items].push(element); | |
| } | |
| }, { | |
| key: "pop", | |
| value: function pop() { | |
| return this[_items].pop(); | |
| } | |
| }, { | |
| key: "peek", | |
| value: function peek() { | |
| return this[_items][this[_items].length - 1]; | |
| } | |
| }, { | |
| key: "isEmpty", | |
| value: function isEmpty() { | |
| return this[_items].length == 0; | |
| } | |
| }, { | |
| key: "size", | |
| value: function size() { | |
| return this[_items].length; | |
| } | |
| }, { | |
| key: "clear", | |
| value: function clear() { | |
| this[_items] = []; | |
| } | |
| }, { | |
| key: "print", | |
| value: function print() { | |
| console.log(this.toString()); | |
| } | |
| }, { | |
| key: "toString", | |
| value: function toString() { | |
| return this[_items].toString(); | |
| } | |
| }]); | |
| return Stack; | |
| })(); | |
| var s1 = new Stack(); | |
| s1.push(1); | |
| s1.push(2); | |
| s1.push(3); | |
| s1.push(4); | |
| s1.push(5); | |
| console.log(s1.peek()); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">let _items = Symbol(); | |
| class Stack { | |
| constructor () { | |
| this[_items] = []; | |
| } | |
| push(element){ | |
| this[_items].push(element); | |
| } | |
| pop(){ | |
| return this[_items].pop(); | |
| } | |
| peek(){ | |
| return this[_items][this[_items].length-1]; | |
| } | |
| isEmpty(){ | |
| return this[_items].length == 0; | |
| } | |
| size(){ | |
| return this[_items].length; | |
| } | |
| clear(){ | |
| this[_items] = []; | |
| } | |
| print(){ | |
| console.log(this.toString()); | |
| } | |
| toString(){ | |
| return this[_items].toString(); | |
| } | |
| } | |
| let s1 = new Stack(); | |
| s1.push(1); | |
| s1.push(2); | |
| s1.push(3); | |
| s1.push(4); | |
| s1.push(5); | |
| console.log(s1.peek());</script></body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| "use strict"; | |
| var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })(); | |
| function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } | |
| var _items = Symbol(); | |
| var Stack = (function () { | |
| function Stack() { | |
| _classCallCheck(this, Stack); | |
| this[_items] = []; | |
| } | |
| _createClass(Stack, [{ | |
| key: "push", | |
| value: function push(element) { | |
| this[_items].push(element); | |
| } | |
| }, { | |
| key: "pop", | |
| value: function pop() { | |
| return this[_items].pop(); | |
| } | |
| }, { | |
| key: "peek", | |
| value: function peek() { | |
| return this[_items][this[_items].length - 1]; | |
| } | |
| }, { | |
| key: "isEmpty", | |
| value: function isEmpty() { | |
| return this[_items].length == 0; | |
| } | |
| }, { | |
| key: "size", | |
| value: function size() { | |
| return this[_items].length; | |
| } | |
| }, { | |
| key: "clear", | |
| value: function clear() { | |
| this[_items] = []; | |
| } | |
| }, { | |
| key: "print", | |
| value: function print() { | |
| console.log(this.toString()); | |
| } | |
| }, { | |
| key: "toString", | |
| value: function toString() { | |
| return this[_items].toString(); | |
| } | |
| }]); | |
| return Stack; | |
| })(); | |
| var s1 = new Stack(); | |
| s1.push(1); | |
| s1.push(2); | |
| s1.push(3); | |
| s1.push(4); | |
| s1.push(5); | |
| console.log(s1.peek()); |
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