How To Check Undefined In JavaScript?

JavaScript objects are dynamic objects and can be created and deleted in a fast way. Sometimes we may need to check the object or other elements if they are defined or undefined. There are different ways to check if the object is undefined in JavaScript. Check with console.log() Method The console.log() method is created in … Read more

JavaScript undefined Property

JavaScript undefined Property

JavaScript undefined is a property used to express a specified value that is not defined. The undefined is a primitive value and property of the global object which means it can be accessed and used directly. The undefined property can be used in different cases in most of the checking if a variable is defined … Read more