Null In Javascript: Check If Object Is Not

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

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 Check If Object Is Not Null In Javascript

To check if an object is not null in JavaScript, use the strict inequality operator: if (myObject !== null) . However, because of how JavaScript handles different "empty"

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 Copied to clipboard 3

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