Sometimes, we want to check for undefined in Typescript.

In this article, we’ll look at how to check for undefined in Typescript.

How to check for undefined in Typescript?

To check for undefined in Typescript, we can use the === operator.

For instance, we write

if (email === undefined) {
}

to check if the email variable is undefined.

Conclusion

To check for undefined in Typescript, we can use the === operator.