typeof null === "object".
Typically, you’ll check for null using the triple equality operator (
!==), also known as the strict equality operator, to be sure that the value in question is definitely not null:
object !== null. That code checks that the variable
object does not have the value
typeof undefined is what you would expect (the string
typeof object === "object" will guarantee that you either have an object or a
null value; you can’t have an
And whether you check
object !== null or
To be explicit that you’re checking for both
undefined while checking for an object, you have to specify both checks with the
&& (logical AND) operator:
object !== null && object !== undefined.
Really, though, you only need to check for
With the rapid development in technology, the old ways to do business have changed completely. A lot more advanced and developed ways are ...
You name the business and I will tell you how web development can help you promote your business. If it is a startup or you seeking some...
We are the best offshore web development company in India providing web applications on Blockchain, AI & Chatbots. 15+ Yrs Exp., Save upto 60% on development.