When working with JavaScript, you may come across the term “undefined value.” In simple terms, it refers to a primitive value that is automatically assigned to variables that have been declared, but haven’t been assigned any other value yet. It essentially represents the absence of a value.<\/p>\n
The JavaScript undefined value serves as an indicator that a variable has been declared, but its value has not been defined.<\/strong> It is quite different from null, which is an assigned value that represents no value or an empty value intentionally set by a programmer.<\/p>\n The undefined value is commonly encountered when:<\/p>\n <\/p>\n <\/p>\n \n<\/ul>\n<\/p>\n