be-hacking-hyf · Efiloglu · Jun 16, 2019 · Jun 16, 2019 · Jun 16, 2019 · Jun 16, 2019
diff --git a/week-1/README.md b/week-1/README.md
@@ -14,7 +14,7 @@
 
 ---
 
-
+ 
 ## submission instructions
 
 | emoji | who uses it | meaning |

diff --git a/week-1/fcc-basic-js-pt-1.md b/week-1/fcc-basic-js-pt-1.md
@@ -1,3 +1,11 @@
 > complete [the basic JS exercises](https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-javascript) through _Counting Cards_ & paste each of your solutions into this file.  This will allow you to use your FCC exercises as a study reference later on  
 > [completed example](https://github.com/AlfiYusrina/hyf-javascript1/blob/master/week1/freecode_camp_solutions.MD) 
+[PHY] (http://www.pythontutor.com/javascript.html#code=//%20this%20is%20an%20in-line%20comment%20%3B%29%0A/*%20This%20is%20a%20%0Amulti-line%20coment%20%3A%29%20*/%0A&mode=edit&origin=opt-frontend.js&py=js&rawInputLstJSON=%5B%5D)
 
+2 types of comment line
+
+```js
+// this is an in-line comment ;)
+/* This is a 
+multi-line coment :) */
+```
diff --git a/week-1/jl-errors-formatting.md b/week-1/jl-errors-formatting.md
@@ -1,3 +1,40 @@
 > paste [this markdown](https://raw.githubusercontent.com/janke-learning/error-exercises/master/formatting.md) into this file and fix the errors!    
 > [completed example](https://github.com/AlfiYusrina/hyf-javascript1/blob/master/week1/errors_solutions.MD)  (of the old version)  
-> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+
+# Formatting Errors
+
+It's easy to miss the little things, even when you're an experienced programmer!  Using a linter will help enormously avoiding simple formatting errors, but it's still great practice to learn how to spot them yourself.  This skill build your confidence writing code from a blank page and is important for those times when you're coding outside of your normal editor.
+
+### exercises
+* [improper end of statement](#improper-end-of-statement)
+
+---
+
+## improper end of statement
+broken code:
+```js
+let a = 1:
+```
+error message:
+```
+this is a error message
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+let a = 1;
+```
+
+your notes:  
+
+:+1:
+[TOP](#formatting-errors)
+
+
+___
+___
+### <a href="http://janke-learning.org" target="_blank"><img src="https://user-images.githubusercontent.com/18554853/50098409-22575780-021c-11e9-99e1-962787adaded.png" width="40" height="40"></img> Janke Learning</a>
diff --git a/week-1/jl-functions.md b/week-1/jl-functions.md
diff --git a/week-1/jl-variables-multiple.md b/week-1/jl-variables-multiple.md
@@ -1,2 +1,38 @@
 > paste [this markdown of exercises](https://raw.githubusercontent.com/janke-learning/variable-exercises/master/swaps.md) into this file and complete the exercises!   
-> references: [javascript.info variables](https://javascript.info/variables), [variables and hoisting](https://github.com/janke-learning/variables-and-hoisting) 
+> references: [javascript.info variables](https://javascript.info/variables), [variables and hoisting](https://github.com/janke-learning/variables-and-hoisting) 
+# Swaps 
+
+You'll be given a bunch of variables with the wrong value assigned and a temporary variable you can use for storing values.  Your task is to get the right values into each variable in as few steps as possible by shuffling them around.
+
+### example solutions
+1. the first: [pytut](https://goo.gl/mk9xd3), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22b%22%2C%20b%20%3D%20%22a%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20b%3B%0Ab%20%3D%20a%3B%0Aa%20%3D%20_%3B)
+1. the second: [pytut](https://goo.gl/BWKuGm), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22c%22%2C%20b%20%3D%20%22a%22%2C%20c%20%3D%20%22b%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20c%3B%0Ac%20%3D%20a%3B%0Aa%20%3D%20b%3B%0Ab%20%3D%20_%3B%0A)
+1. the third: [pytut](https://goo.gl/jeBHWU), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22d%22%2C%20b%20%3D%20%22a%22%2C%20c%20%3D%20%22b%22%2C%20d%20%3D%20%22c%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20b%3B%0Ab%20%3D%20c%3B%0Ac%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A)
+1. the fourth: [pytut](https://goo.gl/C8t81i), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22z%22%2C%20b%20%3D%20%22y%22%2C%20c%20%3D%20%22x%22%2C%20d%20%3D%20%22w%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A_%20%3D%20b%3B%0Ab%20%3D%20c%3B%0Ac%20%3D%20_%3B%0A)
+1. the fifth: [pytut](https://goo.gl/KokxwL), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22z%22%2C%20b%20%3D%20%22y%22%2C%20c%20%3D%20%22x%22%2C%20d%20%3D%20%22w%22%2C%20e%20%3D%20%22v%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20e%3B%0Ae%20%3D%20_%3B%0A_%20%3D%20b%3B%0Ab%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A) 
+
+### challenges
+1. [the first](https://goo.gl/k9jdZy)
+```js
+// your solution here
+```
+1. [the second](https://goo.gl/KvayUU)
+```js
+// your solution here
+```
+1. [the third](https://goo.gl/WXXtV7)
+```js
+// your solution here
+```
+1. [the fourth](https://goo.gl/nTA1DG)
+```js
+// your solution here
+```
+1. [the fifth](https://goo.gl/gDaKNi)
+```js
+// your solution here
+```
+
+___
+___
+### <a href="http://janke-learning.org" target="_blank"><img src="https://user-images.githubusercontent.com/18554853/50098409-22575780-021c-11e9-99e1-962787adaded.png" width="40" height="40"></img> Janke Learning</a>
diff --git a/week-1/jl-variables-swaps.md b/week-1/jl-variables-swaps.md
@@ -1,2 +1,38 @@
 > paste [this markdown of exercises](https://raw.githubusercontent.com/janke-learning/variable-exercises/master/multiple-assignments.md) into this file and complete the exercises!   
-> references: [javascript.info variables](https://javascript.info/variables), [variables and hoisting](https://github.com/janke-learning/variables-and-hoisting) 
+> references: [javascript.info variables](https://javascript.info/variables), [variables and hoisting](https://github.com/janke-learning/variables-and-hoisting) 
+# Swaps 
+
+You'll be given a bunch of variables with the wrong value assigned and a temporary variable you can use for storing values.  Your task is to get the right values into each variable in as few steps as possible by shuffling them around.
+
+### example solutions
+1. the first: [pytut](https://goo.gl/mk9xd3), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22b%22%2C%20b%20%3D%20%22a%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20b%3B%0Ab%20%3D%20a%3B%0Aa%20%3D%20_%3B)
+1. the second: [pytut](https://goo.gl/BWKuGm), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22c%22%2C%20b%20%3D%20%22a%22%2C%20c%20%3D%20%22b%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20c%3B%0Ac%20%3D%20a%3B%0Aa%20%3D%20b%3B%0Ab%20%3D%20_%3B%0A)
+1. the third: [pytut](https://goo.gl/jeBHWU), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22d%22%2C%20b%20%3D%20%22a%22%2C%20c%20%3D%20%22b%22%2C%20d%20%3D%20%22c%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20b%3B%0Ab%20%3D%20c%3B%0Ac%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A)
+1. the fourth: [pytut](https://goo.gl/C8t81i), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22z%22%2C%20b%20%3D%20%22y%22%2C%20c%20%3D%20%22x%22%2C%20d%20%3D%20%22w%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A_%20%3D%20b%3B%0Ab%20%3D%20c%3B%0Ac%20%3D%20_%3B%0A)
+1. the fifth: [pytut](https://goo.gl/KokxwL), [parsons](https://janke-learning.github.io/parsonizer/?snippet=let%20a%20%3D%20%22z%22%2C%20b%20%3D%20%22y%22%2C%20c%20%3D%20%22x%22%2C%20d%20%3D%20%22w%22%2C%20e%20%3D%20%22v%22%3B%0Alet%20_%20%3D%20'%20'%3B%0A%0A_%20%3D%20a%3B%0Aa%20%3D%20e%3B%0Ae%20%3D%20_%3B%0A_%20%3D%20b%3B%0Ab%20%3D%20d%3B%0Ad%20%3D%20_%3B%0A) 
+
+### challenges
+1. [the first](https://goo.gl/k9jdZy)
+```js
+// your solution here
+```
+1. [the second](https://goo.gl/KvayUU)
+```js
+// your solution here
+```
+1. [the third](https://goo.gl/WXXtV7)
+```js
+// your solution here
+```
+1. [the fourth](https://goo.gl/nTA1DG)
+```js
+// your solution here
+```
+1. [the fifth](https://goo.gl/gDaKNi)
+```js
+// your solution here
+```
+
+___
+___
+### <a href="http://janke-learning.org" target="_blank"><img src="https://user-images.githubusercontent.com/18554853/50098409-22575780-021c-11e9-99e1-962787adaded.png" width="40" height="40"></img> Janke Learning</a>
diff --git a/week-2/README.md b/week-2/README.md
@@ -2,19 +2,19 @@
 
 |  | your Emoji | your comments | coach emoji | coach comments |
 | --- | --- | --- | --- | --- |
-| :seedling: __[fcc: finish js basics](./fcc-basic-js-pt-2.md) | | | | |
-| :dash: __[janke: tracing conditionals](./jl-tracing-conditionals.md) | | | | |
-| :seedling: __[javascript.info: loops](./jsinfo-loops.md) | | | | |
-| :dash: __[janke: loop refactors](./jl-loop-refactors.md) | | | | |
-| :seedling: __[fcc: data structures](./fcc-data-structures.md) | | | | |
-| :seedling: __[janke: errors const](./jl-errors-const.md) | | | | |
-| :seedling: __[janke: errors arrays](./jl-errors-arrays.md) | | | | |
-| :seedling: __[janke: errors objects](./jl-errors-objects.md) | | | | |
-| :seedling: __[javascript.info: objects](./jsinfo-objects.md) | | | | |
-| :dash: __[janke: reference types](./jl-reference-types.md) | | | | |
-| :fire: __[janke: ref-type arguments](./jl-functions-ref-type-args.md) | | | | |
-| :dash: __[janke: sentences w/o temps](./jl-variables-sentences-1.md) | | | | |
-| :fire: __[janke: sentences w/ temps](./jl-variables-sentences-2.md) | | | | |
+| :seedling: __[fcc: finish js basics](./fcc-basic-js-pt-2.md) |:seedling:| | | |
+| :dash: __[janke: tracing conditionals](./js-tracing-conditionals.md) | :+1: | | | |
+| :seedling: __[javascript.info: loops](./jsinfo-loops.md) |:seedling:| | | |
+| :dash: __[janke: loop refactors](./jl-loop-refactors.md) |:+1:  | | | |
+| :seedling: __[fcc: data structures](./fcc-data-structures.md) |:seedling:| | | |
+| :seedling: __[janke: errors const](./jl-errors-const.md) |:seedling:| | | |
+| :seedling: __[janke: errors arrays](./jl-errors-arrays.md) |:seedling:| | | |
+| :seedling: __[janke: errors objects](./jl-errors-objects.md) |:seedling:| | | |
+| :seedling: __[javascript.info: objects](./jsinfo-objects.md) |:seedling:| | | |
+| :dash: __[janke: reference types](./jl-reference-types.md) |:+1:  | | | |
+| :fire: __[janke: ref-type arguments](./jl-functions-ref-type-args.md) |:+1:  | | | |
+| :dash: __[janke: sentences w/o temps](./jl-variables-sentences-1.md) |:+1:  | | | |
+| :fire: __[janke: sentences w/ temps](./jl-variables-sentences-2.md) |:+1:  | | | |
 
 
 

diff --git a/week-2/jl-errors-arrays.md b/week-2/jl-errors-arrays.md
@@ -1,3 +1,94 @@
 > paste [this markdown](https://raw.githubusercontent.com/janke-learning/error-exercises/master/arrays.md) into this file and fix the errors!    
 > [completed example](https://github.com/AlfiYusrina/hyf-javascript1/blob/master/week1/errors_solutions.MD)  (of the old version)  
-> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+# Array Errors
+
+
+* [missing closing bracket](#missing-closing-bracket)
+* [missing comma](#missing-comma)
+* [poorly nested](#poorly-nested)
+
+---
+
+## missing closing bracket
+
+broken code:
+```js
+let myArray = [1, 2, 3;
+```
+error message:
+``` js
+alert("Unexpected token!"); 
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+let myArray = [1, 2, 3];
+```
+your notes:
+
+[TOP](#array-errors)
+
+---
+
+## missing comma
+
+broken code:
+```js
+let myArray = [1, 2 3];
+```
+error message:
+``` js
+alert("Unexpected number!"); 
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+let myArray = [1, 2, 3];
+```
+your notes:
+
+[TOP](#array-errors)
+
+---
+
+## poorly nested
+
+broken code:
+```js
+let myArray = [
+                [1, 2, 3]
+                [4, 5, 6]
+                [7, 8, 9]
+              ];
+```
+error message:
+```js
+alert("Cannot read property '9' of undefined!");  
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+let myArray = [
+                [1, 2, 3],
+                [4, 5, 6],
+                [7, 8, 9]
+              ];
+```
+your notes:
+
+[TOP](#array-errors)
+
+
+___
+___
+### <a href="http://janke-learning.org" target="_blank"><img src="https://user-images.githubusercontent.com/18554853/50098409-22575780-021c-11e9-99e1-962787adaded.png" width="40" height="40"></img> Janke Learning</a>
diff --git a/week-2/jl-errors-const.md b/week-2/jl-errors-const.md
@@ -1,2 +1,91 @@
 > paste [this markdown](https://raw.githubusercontent.com/janke-learning/error-exercises/master/const.md) into this file and fix the errors!      
-> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+> references: [errors & life-cycle](https://github.com/janke-learning/errors-and-life-cycle), [exercise repo](https://github.com/janke-learning/errors)
+# Variable Errors
+
+
+### exercises
+* [missing variable name](#missing-variable-name)
+* [reassigning to constant](#reassigning-to-constant)
+* [unassigned const declaration](#unassigned-const-declaration)
+
+---
+
+### missing variable name
+
+broken code:
+```js
+const = 5;
+```
+error message:
+```js
+Unexpected token =
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+const x = 5;
+```
+your notes:
+
+[TOP](#variable-errors)
+
+---
+
+
+## reassigning to constant
+
+broken code:
+```js
+const a = 9;
+a = 0;
+```
+error message:
+```js
+Assignment to constant variable.
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+const a = 9;
+const b = 0;
+```
+your notes:
+
+[TOP](#variable-errors)
+
+---
+
+
+## unassigned const declaration
+
+broken code:
+```js
+const a;
+a = 0;
+```
+error message:
+```js
+Missing initializer in const declaration
+```
+classification:
+* creation phase or execution phase ?
+* syntax or semanitc ?
+
+the fix:
+```js
+const a = 0;
+```
+your notes:
+
+[TOP](#variable-errors)
+
+___
+___
+### <a href="http://janke-learning.org" target="_blank"><img src="https://user-images.githubusercontent.com/18554853/50098409-22575780-021c-11e9-99e1-962787adaded.png" width="40" height="40"></img> Janke Learning</a>
+
Original file line number	Diff line number	Diff line change
Expand Up		@@ -14,7 +14,7 @@

		---



		## submission instructions

		\| emoji \| who uses it \| meaning \|
Expand Down