How to check if a value exists in an object using JavaScript?

Sometimes, we want to check if a value exists in an object using JavaScript.

In this article, we’ll look at how to check if a value exists in an object using JavaScript.

How to check if a value exists in an object using JavaScript?

To check if a value exists in an object using JavaScript, we use the Object.values and the array includes method.

For instance, we write

const exists = Object.values(obj).includes("test1");

to get an array of property values in object obj with Object.values.

Then we call includes with the value we’re looking for in obj.

Conclusion

To check if a value exists in an object using JavaScript, we use the Object.values and the array includes method.