The Object.defineProperties function is utilized to create new properties or alter existing ones directly on an object, returning the modified object.
Syntax:
Example
Object.defineProperties(obj, props)
Parameter
Obj : The entity upon which properties can be established or altered.
Props: An entity whose own enumerable attributes serve as descriptors for the properties that are intended to be defined or altered.
Return:
This technique returns an object that was provided as an argument to the function.
Browser Support:
| Chrome | Yes |
|---|---|
Edge |
Yes |
| Firefox | 1.5 |
| Opera | Yes |
Example 1
Example
const object1 = {};
Object.defineProperties(object1, {
property1:{
value: 44, }
});
console.log(object1.property1);
Output:
Example 2
Example
const object1 = {};
Object.defineProperties(object1, {
property1: {
value: 142,
value: 422,
value: 423,
},
property2: {}
});
console.log(object1.property1);
Output:
Example 3
Example
const obj = {};
Object.defineProperties(obj, {
property1: {
value: 142,
value: 422,
value: 423,
},
property2: {
value: 22,
value: 12,}
});
console.log(obj.property1,obj.property2);
Output:
Output
423
12
