day 2 anchors

Author: danichim

README.md

@@ -26,39 +26,39 @@ Hopefully your walk will be much easier than mine!
     - [Run Code extension](/day_01.md#initial-workspace-setup)
     - [Introduction to NPM](https://docs.npmjs.com/about-npm/)
 - [DAY 2](/day_02.md)
-  - Syntax, Grammar & Semantics
-    - Statements
-    - Expressions
-    - Contextual Rules
-  - ECMAScript Types
-    - Value type groups
-      - Primitives
-        - Boolean
-        - Null
-        - Undefined
-        - Number
-        - BigInt ( stage-3 )
-        - String
-        - Symbol
-      - Composite/Compound
-        - Object
-    - Type conversion
+  - [Syntax, Grammar & Semantics](/day_02.md#syntax-grammar--semantics)
+    - [Statements](/day_02.md#statements)
+    - [Expressions](/day_02.md#expressions)
+    - [Contextual Rules](/day_02.md#semantics)
+  - [ECMAScript Types](/day_02.md#ecmascript-types)
+    - [Value type groups](/day_02.md#value-type-groups)
+      - [Primitives](https://en.wikipedia.org/wiki/Primitive_data_type)
+        - [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type)
+        - [Null](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Null_type)
+        - [Undefined](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Undefined_type)
+        - [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type)
+        - [BigInt](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#BigInt_type) ( it's still a [Stage 3 proposal](https://github.com/tc39/proposal-bigint) but Chrome already support it and Firefox and Safari are underway. )
+        - [String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type)
+        - [Symbol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Symbol_type) ( new in ES6! )
+      - [Composite/Compound](/day_02.md#compositecompound)
+        - [Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Objects)
+    - [Type conversion](/day_02.md#type-conversion)
       - Explicit ( "type casting" )
       - Implicit ( Coercion )
-  - Operators
-    - Assignment operators
-    - Comparison operators
-    - Arithmetic operators
-    - Bitwise operators
-    - Logical operators
-    - String operators
-    - Conditional (ternary) operator
-    - Comma operator
-    - Unary operators
-    - Relational operators
-    - Destructuring
-    - Operators Precedence
-    - Spread/Rest
+  - [Operators](/day_02.md#operators)
+    - [Assignment operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Assignment)
+    - [Comparison operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Comparison)
+    - [Arithmetic operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Arithmetic)
+    - [Bitwise operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Arithmetic)
+    - [Logical operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Logical)
+    - [String operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#String)
+    - [Conditional (ternary) operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Conditional)
+    - [Comma operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Comma)
+    - [Unary operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Unary)
+    - [Relational operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Relational)
+    - [Destructuring](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment)
+    - [Operators Precedence](/day_02.md#operators-precedence)
+    - [Spread/Rest](/day_02.md#the-case-of-the---spreadrest-operator-)
 - [DAY 3](/day_03.md)
   - Objects explained
     - Objects, the big picture

day_02.md

@@ -2,39 +2,39 @@
 
 ## DAY 2
 
-- Syntax, Grammar & Semantics
-  - Statements
-  - Expressions
-  - Contextual Rules
-- ECMAScript Types
-  - Value type groups
-    - Primitives
-      - Boolean
-      - Null
-      - Undefined
-      - Number
-      - BigInt ( stage-3 )
-      - String
-      - Symbol
-    - Composite/Compound
-      - Object
-  - Type conversion
+- [Syntax, Grammar & Semantics](#syntax-grammar--semantics)
+  - [Statements](#statements)
+  - [Expressions](#expressions)
+  - [Contextual Rules](#semantics)
+- [ECMAScript Types](#ecmascript-types)
+  - [Value type groups](#value-type-groups)
+    - [Primitives](https://en.wikipedia.org/wiki/Primitive_data_type)
+      - [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type)
+      - [Null](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Null_type)
+      - [Undefined](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Undefined_type)
+      - [Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type)
+      - [BigInt](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#BigInt_type) ( it's still a [Stage 3 proposal](https://github.com/tc39/proposal-bigint) but Chrome already support it and Firefox and Safari are underway. )
+      - [String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type)
+      - [Symbol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Symbol_type) ( new in ES6! )
+    - [Composite/Compound](#compositecompound)
+      - [Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Objects)
+  - [Type conversion](#type-conversion)
     - Explicit ( "type casting" )
     - Implicit ( Coercion )
-- Operators
-  - Assignment operators
-  - Comparison operators
-  - Arithmetic operators
-  - Bitwise operators
-  - Logical operators
-  - String operators
-  - Conditional (ternary) operator
-  - Comma operator
-  - Unary operators
-  - Relational operators
-  - Destructuring
-  - Operators Precedence
-  - Spread/Rest
+- [Operators](#operators)
+  - [Assignment operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Assignment)
+  - [Comparison operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Comparison)
+  - [Arithmetic operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Arithmetic)
+  - [Bitwise operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Arithmetic)
+  - [Logical operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Logical)
+  - [String operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#String)
+  - [Conditional (ternary) operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Conditional)
+  - [Comma operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Comma)
+  - [Unary operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Unary)
+  - [Relational operators](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Relational)
+  - [Destructuring](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment)
+  - [Operators Precedence](#operators-precedence)
+  - [Spread/Rest](#the-case-of-the---spreadrest-operator-)
 
 ## Syntax, Grammar & Semantics