How Javascript Works and Execution Context?

Everything in Javascript happens inside an execution context.
Execution Context is a container where whole javascript code is executed.
Execution Context has two components:
1)Memory Component 2)Code Component
Memory Component is also known as variable…


This content originally appeared on DEV Community and was authored by Magnus

Everything in Javascript happens inside an execution context.
Execution Context is a container where whole javascript code is executed.
Execution Context has two components:
1)Memory Component 2)Code Component
Memory Component is also known as variable environment*
*Code Component is also known as Thread of Execution
Execution Context Diagram
⭐In Memory component all the variables and functions are stored
as a key-value pairs.
⭐In Code Component code are executed one line at a time.

Note:Javascript is a Synchronous single Threaded Language
*Synchronous means in order.
*Single Threaded means one command processes at a time.

Reference:@akshaymarch7


This content originally appeared on DEV Community and was authored by Magnus


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