Check If Object Is Not Null In Javascript May 2026

To check if an object is not null in JavaScript, use the strict inequality operator: if (myObject !== null) .

In JavaScript, typeof null famously returns "object" , which is a historical bug. To verify that a variable is a non-null object (and not an array or other primitive), use a combined check: javascript Check If Object Is Not Null In Javascript

const isRealObject = (val) => typeof val === 'object' && val !== null && !Array.isArray(val); if (isRealObject(myObject)) { // Safely work with object properties } Use code with caution. Copied to clipboard 4. Simple Truthiness Check How to check if a Variable Is Not Null in JavaScript To check if an object is not null

Use this when you only care if the value is exactly null . It will return true even if the variable is undefined , 0 , or an empty string. javascript if (myObject !== null) { // Runs if myObject is NOT null } Use code with caution. Copied to clipboard 2. The "Nullish" Check (Recommended) Copied to clipboard 4

if (myObject != null) { // Runs if myObject is neither null nor undefined } Use code with caution. Copied to clipboard 3. Validating it is Truly an Object