By encapsulating code within a function, we can easily fix bugs or make changes in one place, rather than having to fix them in multiple locations throughout the code.
The value returned by a function can be assigned to a variable and used elsewhere in the program, allowing for greater flexibility and reusability.
Once you get a grip on the arrow function syntax, you'll find yourself using it repeatedly because of its efficiency and the ability to write fewer lines of code.
A higher order function is a regular function that takes one or more functions as an argument and/or returns a function as a value.
Visualizing closures as nested boxes, with an outer function and an inner function, can help in grasping the concept more easily.
Closure provides an environment for nested functions to exist longer for execution and perform all the required operations.
Closure allows inner functions to access variables from outer functions even after they finish executing, callback functions are functions called back at a later time, higher order functions take functions as arguments and may return a function, and pure functions produce the same output for the same input.
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