JavaScript Object defineProperties() Method

by Online Tutorials Library July 22, 2022

JavaScript Object.defineProperties() Method

The Object.defineProperties() method defines new or modifies existing properties directly on an object, and returning the object.

Syntax:

Parameter

Obj: The object on which to define or modify properties.

Props: An object whose own enumerable properties constitute descriptors for the properties to be defined or modified.

Return:

This method reruns an object that was passed to the function.

Browser Support:

Chrome	Yes
Edge	Yes
Firefox	1.5
Opera	Yes

Example 1

  const object1 = {};  Object.defineProperties(object1, {    property1:{  value: 44, }   });  console.log(object1.property1);  

Output:

Example 2

  const object1 = {};  Object.defineProperties(object1, {    property1: {      value: 142,      value: 422,      value: 423,      },   property2: {}  });  console.log(object1.property1);  

Output:

Example 3

  const obj = {};  Object.defineProperties(obj, {    property1: {      value: 142,      value: 422,      value: 423,      },    property2: {    value: 22,    value: 12,}  });  console.log(obj.property1,obj.property2);  

Output:

423   12

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JavaScript Object defineProperties() Method

JavaScript Object.defineProperties() Method

Syntax:

Parameter

Return:

Browser Support:

Example 1

Example 2

Example 3

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