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Javascript Object getOwnPropertyDescriptors() Method

Javascript Object getOwnPropertyDescriptors() Method with example on javascript, object, getOwnPropertyDescriptor(), getOwnPropertyDescriptors(), defineProperties(), defineProperty(), entries(), freeze(), javascript tutorial, javascript array etc.

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JavaScript Object.getOwnPropertyDescriptors() Method

The Object.getOwnPropertyDescriptors() method returns all own property descriptors of a given object. The difference between getOwnPropertyDescriptors() and getOwnPropertyDescriptor() method is that getOwnPropertyDescriptors() method ignores symbolic properties.

Syntax:

Object.getOwnPropertyDescriptors(obj)

Parameter

obj: It is the object for which to get all own property descriptors.

Return:

This method returns an object which contains all own property descriptors of an object. This method might return an empty object if there are no properties.

Browser Support:

Chrome 54
Edge 15
Firefox 50
Opera 41

Example 1

const object1 = {
  property1: 103
};

const descriptors1 = Object.getOwnPropertyDescriptors(object1);
console.log(descriptors1.property1.writable);
console.log(descriptors1.property1.value);

Output:

103

Example 2

const object1 = {
  property1: 22
};
const descriptors1 = Object.getOwnPropertyDescriptors(object1);
console.log(descriptors1.property1.value);
console.log(descriptors1.property1);
console.log(descriptors1.property1.writable);

Output:

[object Object] {
  configurable: true,
  enumerable: true,
  value: 22,
  writable: true
}
true

Example 3

const object1 = {
  property1: 42
};
const object2 = {
  property2: 23
};

const descriptors1 = Object.getOwnPropertyDescriptors(object1);
const descriptors2 = Object.getOwnPropertyDescriptors(object2);
console.log(descriptors1.property1.writable);
console.log(descriptors1.property1.value,descriptors2.property2.value);

Output:

true
42 
23

Next TopicJavaScript Objects




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