Undefined v/s Not Defined : JavaScript
undefined is a very special keyword in JavaScript and is not present in other languages.
JavaScript code is executed in a different way. It creates a global execution context and allocates memory to all variables and functions even before a single li...
siddharthasahu.hashnode.dev2 min read
Vidhu Gupta
Very well written. I am a beginner and this helped me understand quite a bit. Thank you, keep posting!