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A shell is a command-line interface, which means it is solely textual content-based totally. The user can kind instructions to perform features along with run packages, open and browse directories, and view methods which can be currently walking..
Function currying is a technique in JavaScript where a function with multiple arguments is transformed into a sequence of functions, each taking a single argument. This allows for partial application of the function, which can be useful in various scenarios.
Closures are an important concept in JavaScript that allows functions to retain access to variables from an outer scope even after the outer function has finished executing. This article explains how closures work in JavaScript.
Variables in JavaScript are declared using var, let, and const. This article explains the differences between var, let, and const in JavaScript.