How to Test for NULL Values? It is not possible to test for NULL values with comparison operators, such as =, <, or <>. We will have to use the IS NULL and IS NOT NULL operators instead.
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 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 .
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