EventTarget()

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O construtor EventTarget() cria uma nova instância do objeto EventTarget.

Sintaxe

var myEventTarget = new EventTarget();

Parâmetros

Nenhum.

Retorno de valor

Uma instância do objeto EventTarget.

Exemplos

class MyEventTarget extends EventTarget {
  constructor(mySecret) {
    super();
    this._secret = mySecret;
  }

  get secret() { return this._secret; }
};

let myEventTarget = new MyEventTarget(5);
let value = myEventTarget.secret;  // == 5
myEventTarget.addEventListener("foo", function(e) {
  this._secret = e.detail;
});

let event = new CustomEvent("foo", { detail: 7 });
myEventTarget.dispatchEvent(event);
let newValue = myEventTarget.secret; // == 7

Specificações

Specification Status Comment
DOM
The definition of 'EventTarget() constructor' in that specification.
Padrão em tempo real

Compatibilidade de navegadores

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
EventTarget() constructorChrome Full support 64Edge ? Firefox Full support 59IE No support NoOpera Full support 51Safari No support NoWebView Android Full support 64Chrome Android Full support 64Firefox Android Full support 59Opera Android Full support 47Safari iOS No support NoSamsung Internet Android Full support 9.0

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

Veja também