Can you explain the scope chain in the context of the Async Iterator and Async Generator protocols?

Scope determines the accessibility (visibility) of variables. JavaScript variables have 3 types of scope: Block scope; Function scope; Global scope. Block Scope. Scope in Javascript is directly related to Lexical Environment. Let's observe the below examples: // CASE 1 function ... Jul 4, 2022 ... Lexical Environment. When the JavaScript engine creates a new execution context for a function, it creates a new lexical environment to store ... Aug 1, 2024 ... The scope is the current context of execution in which values and expressions are "visible" or can be referenced. Mar 24, 2022 ... Because of this, the inner function is able to access the variable in the main function. Inner. Scope Chain. The mechanism of finding variables ... Oct 31, 2020 ... Scope chain в основном представляет собой «цепочку ссылок» на объекты, которые содержат ссылки на значения и другие скоупы, на которые можно ... Sep 24, 2020 ... ... scope and the prototype chain in JavaScript. Within an expression, you can use these attributes and methods as if they were defined in the ... Apr 6, 2023 ... In simple terms, scope refers to the visibility and accessibility of variables within your code. In JavaScript, there are two primary types of ... Property lookups through the prototype chain. When accessing a property in a prototype-based language like JavaScript, a dynamic lookup takes places that ... May 6, 2020 ... The variable look up the JS engine does from the top of the stack to all the way down at the global execution context is called the Scope Chain.