modern-javascript

name	modern-javascript
description	Modern ES6+ JavaScript features including classes, modules, destructuring, iterators, proxies, and latest ECMAScript features.
sasmp_version	1.3.0
bonded_agent	06-modern-es6-advanced
bond_type	PRIMARY_BOND
skill_type	reference
response_format	code_first
max_tokens	1500
parameter_validation	{"required":["topic"],"optional":["es_version"]}
retry_logic	{"on_ambiguity":"ask_clarification","fallback":"show_es6_basics"}
observability	{"entry_log":"Modern JS skill activated","exit_log":"Modern JS reference provided"}

Modern JavaScript Skill

Quick Reference Card

Classes

class Service {
  #privateField;           // Private (ES2022)
  static VERSION = '1.0';  // Static property

  constructor(config) {
    this.#privateField = config.secret;
  }

  async fetch(url) {
    return this.#request('GET', url);
  }

  #request(method, url) {  // Private method
    return fetch(url, { method });
  }

  get config() { return this.#privateField; }
}

class ExtendedService extends Service {
  constructor(config) {
    super(config);
  }
}

Modules

// Named exports
export const API_URL = '/api';
export function fetchData() { }

// Default export
export default class  { }


 , { , fetchData }  ;
 *  api  ;


 {  } =  ();


 {  }  ;
 {    }  ;