JavaScript VAR, LET, CONST & Execution Context in 2025
For all serious JavaScript developers! Visualize advanced concepts related to VAR, LET, CONST and EXECUTON CONTEXT
4.81 (24 reviews)
255
students
5.5 hours
content
Jan 2025
last update
$74.99
regular price
What you will learn
Understand variables VAR, LET, CONST at its fundamental and technical level
Visualize the execution context and the call stack
Understand the difference between immutable bindings vs immutable assignments
Understand advanced concepts around variable block scoping, function objects and internal slots
Understand variable hoisting, binding and memory allocation for VAR LET and CONST
Learn why LET and CONST were introduced to replace VAR
Master advanced variable concepts like environments, declarative records, components, slots, and more!
Understand the Temporal Dead Zone (TDZ), and how to deal with it
Compare JavaScript variable scopes to other languages like Golang, C, Java, Bash etc
Be able to choose the appropriate keyword based on context
Grasp memory management and bindings related to LET, CONST and VAR
Understand the concept of variable reassignment and redeclaration
Understand Lexical Scoping versus Dynamic Scoping
Was VAR ever broken?
Should you ever use VAR today (the answer may surprise you)
And a whole bunch more!
Screenshots
6247075
udemy ID
10/21/2024
course created date
11/20/2024
course indexed date
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