Singleton Design Pattern
How do I make an singleton design pattern?
What is a singleton design pattern? How do you make a singleton design pattern? This script and codes were developed by Beau Carnes on 13 September 2022, Tuesday.
Singleton Design Pattern - Script Codes HTML Codes
<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Singleton Design Pattern</title>
</head>
<body> <script src='https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js'></script> <script src="js/index.js"></script>
</body>
</html>
Singleton Design Pattern - Script Codes JS Codes
/* Singleton */
var mySingleton = (function () { // Instance stores a reference to the Singleton var instance; function init() { // Singleton // Private methods and variables function privateMethod(){ console.log( "I am private" ); } var privateVariable = "Im also private"; var privateRandomNumber = Math.random(); return { // Public methods and variables publicMethod: function () { console.log( "The public can see me!" ); }, publicProperty: "I am also public", getRandomNumber: function() { return privateRandomNumber; } }; }; return { // Get the Singleton instance if one exists // or create one if it doesn't getInstance: function () { if ( !instance ) { instance = init(); } return instance; } };
})();
var singleA = mySingleton.getInstance();
var singleB = mySingleton.getInstance();
singleA.publicMethod();
console.log(singleA.publicProperty);
console.log( singleA.getRandomNumber() === singleB.getRandomNumber() );
![Singleton Design Pattern - Script Codes](http://shots.codepen.io/beaucarnes/pen/QpWvgP-512.jpg)
Developer | Beau Carnes |
Username | beaucarnes |
Uploaded | September 13, 2022 |
Rating | 3 |
Size | 1,761 Kb |
Views | 28,336 |
Find the perfect freelance services for your business! Fiverr's mission is to change how the world works together. Fiverr connects businesses with freelancers offering digital services in 500+ categories. Find Developer!
Name | Size |
Array iteration | 1,663 Kb |
Weather app | 2,338 Kb |
Notifications | 1,672 Kb |
Internet Dungeon Game | 12,502 Kb |
Bar Chart - D3 | 3,411 Kb |
Hoisting | 1,496 Kb |
Data Types | 1,807 Kb |
A Pen by Beau Carnes | 2,118 Kb |
Trie | 2,086 Kb |
Game of Life | 5,915 Kb |
Jasper is the AI Content Generator that helps you and your team break through creative blocks to create amazing, original content 10X faster. Discover all the ways the Jasper AI Content Platform can help streamline your creative workflows. Start For Free!
Name | Username | Size |
DevCamp 2014 - Denver Public Library | See8ch | 5,033 Kb |
Obligatory CSS3 UI Nav | Romandiaz | 9,017 Kb |
700 Synapses Per Second | Silentkrange | 2,138 Kb |
Blackberry Mock | Zacharyolson | 1,865 Kb |
Marching Squares Visualized | Sakri | 7,074 Kb |
Ionic Infinite outside ion-content with ion-pane | Felquis | 3,117 Kb |
Heartbeat | Apetrov | 2,079 Kb |
Lazy Load for Background Images | The_ruther4d | 2,977 Kb |
Zeichensatz | Moklick | 2,058 Kb |
Siema - add pagination to prototype | Pawelgrzybek | 2,575 Kb |
Surf anonymously, prevent hackers from acquiring your IP address, send anonymous email, and encrypt your Internet connection. High speed, ultra secure, and easy to use. Instant setup. Hide Your IP Now!