Sometimes, we want to use the spread operator to update an object value with JavaScript.
In this article, we’ll look at how to use the spread operator to update an object value with JavaScript.
How to use the spread operator to update an object value with JavaScript?
To use the spread operator to update an object value with JavaScript, we use the spread operator in a new object.
For instance, we write
const o2 = { ...o1, a: "updated a" };
console.log(o2);
to spread the properties of o1
into a new object.
Then we add a
or override the existing value of a
with a: "updated a"
.
The new object is assigned to o2
.
Conclusion
To use the spread operator to update an object value with JavaScript, we use the spread operator in a new object.