What is the term for a named memory block that acts as a container for a value in JavaScript?

A variable in JavaScript serves as a named memory block that functions as a container for storing values. When you create a variable, you can assign it a value, and you can later access or modify that value throughout your program.

For example, when you declare a variable using the let, const, or var keywords, you are essentially creating a reference in memory that can hold different types of data, such as numbers, strings, objects, or even functions. This allows for dynamic and flexible programming because you can manipulate those stored values as needed and maintain state throughout the execution of your script.

In contrast, other terms like function, array, and string refer to specific structures or types in JavaScript. A function is a block of code designed to perform a particular task, an array is an ordered list of values that can be accessed by index, and a string represents a sequence of characters. While all these concepts can make use of variables, they do not describe the fundamental concept of storing a value in a named memory block. Thus, the term "variable" is the most accurate answer in this context.