Node JS null check – Page 2

Node JS null check – Page 2 – Enpatika

How do you check if JavaScript object is undefined?

1 April 2022 Enpatika.com Genel

In a JavaScript program, the correct way to check if an object property is undefined is to use the `typeof` operator .

How do you check if an object is null in JS?

1 April 2022 Enpatika.com Genel

JavaScript uses the null value to represent a missing object. Use the strict equality operator ( === ) to check if a value is null . The typeof null returns ‘object’ , which is historical bug in JavaScript that may never be fixed.