References

Array.at()

Array.concat()

Array.copyWithin()

Object.defineProperties()

Object.defineProperty()

Object.entries()

Object.freeze()

Object.fromEntries()

Object.getOwnPropertyDescriptor()

Object.getOwnPropertyDescriptors()

Object.getOwnPropertyNames()

Object.getOwnPropertySymbols()

Object.getPrototypeOf()

Object.hasOwn()

Object.hasOwnProperty()

Object.is()

Object.isExtensible()

Object.isFrozen()

Object.isPrototypeOf()

Object.isSealed()

Object.keys()

Object.preventExtensions()

Object.seal()

Object.setPrototypeOf()

Object.toLocaleString()

String.fromCodePoint()

String.includes()

String.indexOf()

String.lastIndexOf()

String.localeCompare()

String.toLocaleLowerCase()

String.toLocaleUpperCase()

Object.getOwnPropertyDescriptor()

Leírás

Egy adott tulajdonság leíróobjektumát az Object.getOwnPropertyDescriptor függvénnyel lehet lekérni. Módosítható is.

Szintaxis

Object.getOwnPropertyDescriptor(obj, prop)

Példa

const object1 = {
  property1: 42,
}
 
const descriptor1 = Object.getOwnPropertyDescriptor(object1, 'property1')
 
console.log(descriptor1.configurable)
// Expected output: true
 
console.log(descriptor1.value)
// Expected output: 42

in this article

Leírás
Szintaxis
Példa