Check If Object Is Not Null In Javascript May 2026

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)

However, because of how JavaScript handles different "empty" types, the best approach depends on whether you also want to exclude undefined or ensure the variable is actually a valid object. 1. Strict Not-Null Check Check If Object Is Not Null In Javascript

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 Use this when you only care if the value is exactly null

Often, you want to ensure a variable is neither null nor undefined . Using the loose inequality operator ( != ) covers both at once. javascript Copied to clipboard 2