Code Explainers

Code explainers tagged #map

javascript 
class ShortcutManager {
  constructor(target = window) {
    this.target = target;
    this.bindings = new Map();

Building a keyboard shortcut manager in JavaScript

event-handling normalization map
Intermediate 9 steps
typescript 
type Handler = (event: KeyboardEvent) => void;
 
interface Binding {
  combo: string;

Building a keyboard shortcut manager in TypeScript

event-handling normalization closures
Intermediate 7 steps
javascript 
class EventEmitter {
  constructor() {
    this.listeners = new Map();
  }

Building an EventEmitter in JavaScript

pub-sub closures map
Intermediate 7 steps