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Closure

A collection of 2 issues

Closure

Closure is not a part of JavaScript specification that is defined by ECMAScript. It is rather a phenomenon common to programming languages that have characteristics of functional programming. Therefore, definitions of Closure vary. After consulting various resources that explain what Closure is in their own terms, I've summed

Execution Context

Many characteristic behaviors of JavaScript such as Hosting and this binding(🔗 JavaScript this) are caused by the fact that JavaScript engine executes code in order by creating and removing what is called "Execution Context". Understanding what execution context is helps better understanding how core concepts of JavaScripts are