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WeakRef() - JavaScript | MDN

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WeakRef()

Baseline *

20214

*

WeakRef() WeakRef

js

new WeakRef(target)

: WeakRef() new new TypeError

target: WeakRef

WeakRef

TypeError: target

WeakRef

js

class Counter {
  constructor(element) {
    // DOM 
    this.ref = new WeakRef(element);
    this.start();
  }
}


ECMAScript 2027 LanguageSpecification # sec-weak-ref-constructor

WeakRef

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