scope - color bucket analogy

Author: isandeepdev

README.md

@@ -11,3 +11,7 @@ Abstract Operations: ToPrimitive, ToString, ToNumber and ToBoolean
 ## [Abstract Equality Comparison vs Strict Equality Comparison](abstract-equality-vs-strict-equality/README.md)
 
 Abstract Equality Comparison, Strict Equality Comparison, Corner cases of Abstract Equality Comparison.
+
+## [Scope](scope/README.md)
+
+Lexical scope, Closure, Module Patterns

scope/README.md

@@ -0,0 +1,25 @@
+# Scope (Lexical Scope)
+
+Scope: Where to look for things (identifiers). Before JavaScript start running code it first goes through a parsing phase. During this phase it setup scope this helps during the execution phase JavaScript knows where to look for them.
+
+JavaScript organizes scopes with functions and blocks.
+
+## Scope - Color Bucket Analogy
+
+<!-- prettier-ignore -->
+```js
+var 🔴instructor = "Kyle";
+
+function 🔴otherClass() {
+  var 🔵instructor = "Suzy";
+  console.log("Welcome!");
+}
+
+function 🔴ask() {
+  var 🟢question = "Why?";
+  console.log(question);
+}
+
+otherClass();                           // Welcome!
+ask();                                  // Why?
+```