From f9d4c9d0adebc3f845159dc6d3f596773c25ebf5 Mon Sep 17 00:00:00 2001
From: Andre Velkov Janusev <velkovv97@gmail.com>
Date: Tue, 9 Sep 2025 10:05:25 +0200
Subject: [PATCH] exercise complete

---
 src/advanced/strings-adv.js       | 22 +++++++++++++++-------
 src/extensions/more-data-types.js | 14 +++++++-------
 src/numbers.js                    | 12 ++++++------
 src/strings.js                    | 14 +++++++++-----
 4 files changed, 37 insertions(+), 25 deletions(-)

diff --git a/src/advanced/strings-adv.js b/src/advanced/strings-adv.js
index 1b1eb60..25fce5f 100644
--- a/src/advanced/strings-adv.js
+++ b/src/advanced/strings-adv.js
@@ -1,27 +1,35 @@
+/* eslint-disable no-unused-vars */
 const city = 'New York'
 const cityStr = 'City'
 const shoppingList = 'apples, bananas, oranges, grapes'
 
 // TODO get the INDEX of the character where 'York' word is found in the city variable
-const cityIndex = 0
+const cityIndex = city.indexOf('York')
+console.log(cityIndex)
 
 // TODO - get the substring "York" from the city variable
-const citySubstring = ''
+const citySubstring = city.substring(4)
+console.log(citySubstring)
 
 // TODO = replace 'York' with 'Delhi'
-const cityReplaced = ''
+const cityReplaced = city.replace('York', 'Delhi')
+console.log(cityReplaced)
 
 // TODO - check if city starts with 'New' and ends with 'York'
-const cityStartsWith = false
-const cityEndsWith = false
+const cityStartsWith = city.startsWith('New')
+const cityEndsWith = city.endsWith('York')
+console.log(cityStartsWith)
+console.log(cityEndsWith)
 
 // TODO - split the shopping list into an array of items without spaces
 // hint (you might want to replace first, then split)
-const shoppingListArray = []
+const shoppingListArray = shoppingList.split(', ')
+console.log(shoppingListArray)
 
 // TODO - concatenate two strings using the `${var}` syntax
 // make cityStrConcat equal to 'New York City'
-const cityStrConcat = ''
+const cityStrConcat = `${city} ${cityStr}`
+console.log(cityStrConcat)
 
 module.exports = {
   cityIndex,
diff --git a/src/extensions/more-data-types.js b/src/extensions/more-data-types.js
index 64cde7b..093a58b 100644
--- a/src/extensions/more-data-types.js
+++ b/src/extensions/more-data-types.js
@@ -1,22 +1,22 @@
 // TODO: Replace the empty string in the lines below using Javascript with the correct data types
 
 // 1. Set this variable to be null
-const nullVariable = ''
+const nullVariable = null
 
 // 2. Set this variable to be true
-const trueVariable = ''
+const trueVariable = true
 
 // 2. Set this variable to be the opposite of the trueVariable (ie. false);
-const falseVariable = ''
+const falseVariable = false
 
 // 3. Set this variable to be undefined
-const undefinedVariable = ''
+const undefinedVariable = undefined
 
 // 4. get the typeof each of the above variables
 // hint you can use typeof variable to return a string of the variable type
-const typeOfTrueVariable = ''
-const typeOfFalseVariable = ''
-const typeOfUndefinedVariable = ''
+const typeOfTrueVariable = typeof trueVariable
+const typeOfFalseVariable = typeof falseVariable
+const typeOfUndefinedVariable = typeof undefinedVariable
 
 // do not edit the exported object.
 module.exports = {
diff --git a/src/numbers.js b/src/numbers.js
index ee37fa1..946d450 100644
--- a/src/numbers.js
+++ b/src/numbers.js
@@ -12,22 +12,22 @@ const numThree = 32
 //       NOT myAnswer = 336
 
 // 1. Set this variable to numOne added to numTwo
-const numOnePlusNumTwo = NaN
+const numOnePlusNumTwo = numOne + numTwo
 
 // 2. Set this variable to numThree multiplied by numTwo
-const numThreeTimesNumTwo = NaN
+const numThreeTimesNumTwo = numThree * numTwo
 
 // 3. Set this variable to numThree divided by numOne
-const numThreeDividedByNumOne = NaN
+const numThreeDividedByNumOne = numThree / numOne
 
 // 4. Set this variable to numThree minus numOne
-const numThreeMinusNumOne = NaN
+const numThreeMinusNumOne = numThree - numOne
 
 // 5. Set this variable to the sum of numOne, numTwo and numThree
-const sum = NaN
+const sum = numOne + numTwo + numThree
 
 // 6. Set this variable to the sum of (numOne, numTwo, numThree) divided by numOne
-const numBytes = NaN
+const numBytes = (numOne + numTwo + numThree) / numOne
 
 // do not edit the exported object.
 module.exports = {
diff --git a/src/strings.js b/src/strings.js
index a846086..95909fd 100644
--- a/src/strings.js
+++ b/src/strings.js
@@ -8,21 +8,25 @@ const firstName = 'Jane'
 const secondName = 'Smith'
 
 // TODO: Replace null in the lines below using Javascript string operations
-//         and the variables above so that the tests pass.
+//       and the variables above so that the tests pass.
 //       eg  twoJanes = firstName + firstName
 //       NOT twoJanes = "JaneJane"
 
 // 1. Set this variable to firstName and secondName concatenated
-const fullName = null
+const fullName = firstName.concat(' ', secondName)
+console.log(fullName)
 
 // 2. Set this variable to the 10th character of the alphabet variable
-const tenthCharacterOfAlphabet = null
+const tenthCharacterOfAlphabet = alphabet.charAt(9)
+console.log(tenthCharacterOfAlphabet)
 
 // 3. Set this variable by calling a method on the alphabet variable to transform it to lower case
-const lowerCaseAlphabet = null
+const lowerCaseAlphabet = alphabet.toLowerCase()
+console.log(lowerCaseAlphabet)
 
 // 4. Set this variable by using a property on the alphabet variable to get it's length
-const numberOfLettersInAlphabet = null
+const numberOfLettersInAlphabet = alphabet.length
+console.log(numberOfLettersInAlphabet)
 
 // do not edit the exported object.
 module.exports = {