Understanding JS Memory Allocation: Undefined vs Not Defined
Today, let's explore the complex world of JavaScript memory allocation today, with a particular emphasis on the concepts of undefined and Not Defined. Trust me, it's not as daunting as it may sound. The First Phase: Memory Allocation When you declare...
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Satish
Aspiring DevOps Engineer
Prerana NawarThanks for the information: 'undefined' means waiting for it to be defined, which may or may not assign other( other then defalut value : undefined) value in future. However, during memory allocation, the memory is allocated for it. On the other hand, 'not defined' is a reference error because memory space is not allocated for it, and we did not even declare the variable.