core extension

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 = !trueVariable
 
 // 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 = {

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
 
+// 3. Set this variable to numThree divided by numOne
+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 = {

src/strings.js

@@ -13,16 +13,15 @@ const secondName = 'Smith'
 //       NOT twoJanes = "JaneJane"
 
 // 1. Set this variable to firstName and secondName concatenated
-const fullName = null
+const fullName = firstName +" "+ secondName
 
-// 2. Set this variable to the 10th character of the alphabet variable
-const tenthCharacterOfAlphabet = null
 
+// 2. Set this variable to the 10th character of the alphabet variable
+const tenthCharacterOfAlphabet = alphabet.charAt(9)
 // 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()
 // 4. Set this variable by using a property on the alphabet variable to get it's length
-const numberOfLettersInAlphabet = null
+const numberOfLettersInAlphabet = alphabet.length
 
 // do not edit the exported object.
 module.exports = {