In C or C++, there is no special method for comparing NULL values. We can use if statements to check whether a variable is null or not .
Read moreHow do you check if JavaScript object is undefined?
In a JavaScript program, the correct way to check if an object property is undefined is to use the `typeof` operator .
Read moreHow do you check if JavaScript object is undefined?
In a JavaScript program, the correct way to check if an object property is undefined is to use the `typeof` operator .
Read moreHow do you check if an object is null in JS?
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.
Read moreHow do you check if an object is null in JS?
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.
Read more