Following are the basic diferences between undefined value and null value.(i)Undefined value cannot be explicitly stated i.e., there is no keyword called undefined whereas null value has keyword called null.(ii)Typeof undefined variable or property returns undefined whereas type of null value returns object.
Javascript
Topic: JS Data Types
What is the difference between undefined value and null value ?
Browse random answers:
What is the JavaScript Data Types?
What are JavaScript types?
JavaScript Has Dynamic Types
what is a JavaScript Strings?
What is a JavaScript Numbers?
What is undefined value means in JavaScript?
What is the data type of variables in JavaScript?
Difference between undefined and undeclared variables.
What data type javascript supports?
What is the difference between undefined value and null value ?