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example singleton instance on javascript

Putu Eka Mulyana answered on November 2, 2022 Popularity 9/10 Helpfulness 5/10

answer example singleton instance on javascript

related singleton CLASS IN JS

example singleton instance on javascript

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class ResourceManager {
  constructor() {
    // Inisialisasi
    this.resources = [];
  }

  static getInstance() {
    if (!ResourceManager.instance) {
      ResourceManager.instance = new ResourceManager();
    }
    return ResourceManager.instance;
  }

  addResource(resource) {
    this.resources.push(resource);
  }

  getResources() {
    return this.resources;
  }

}

// use singleton instance
const manager1 = ResourceManager.getInstance();
const manager2 = ResourceManager.getInstance();

manager1.addResource('Resource 1');
manager2.addResource('Resource 2');

console.log(manager1.getResources()); // Output: ['Resource 1', 'Resource 2']
console.log(manager2.getResources()); // Output: ['Resource 1', 'Resource 2']
console.log(manager1 === manager2); // Output: true

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: chat.openai.com

Tags: instance javascript singleton

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Contributed on Jul 06 2023

Putu Eka Mulyana

0 Answers Avg Quality 2/10

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singleton CLASS IN JS

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"use strict";
// require the events and the instance
const Events = require("events");

const events = new Events();




module.exports = events;
// Then require this instance in differnt file
// const events = require("./file-contain-the-singlton-class");

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: class clas

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Contributed on Nov 02 2022

Malek Hamdan

0 Answers Avg Quality 2/10

example singleton instance on javascript

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