completed coursework

index.js

@@ -7,14 +7,40 @@ Practice accessing data by console.log-ing the following pieces of data note.
 
 💡 HINT: You may want to filter the data first 😉*/
 
+const fifa2014 = [{}]
+fifaData.filter((element) => {
+    if(element.Year === 2014){
+        fifa2014.push(element)
+    }
+})
+
 //(a) Home Team name for 2014 world cup final
+const HomeName2014 = []
+fifa2014.forEach((element) => {
+    HomeName2014.push(element['Home Team Name'])
+})
+
 
 //(b) Away Team name for 2014 world cup final
+const AwayName2014 = []
+fifa2014.forEach((element) => {
+    AwayName2014.push(element['Away Team Name'])
+})
 
 //(c) Home Team goals for 2014 world cup final
+const HomeGoal2014 = []
+fifa2014.forEach((element) => {
+    HomeGoal2014.push(element['Home Team Goals'])
+})
 
 //(d) Away Team goals for 2014 world cup final
 
+const AwayGoal2014 = []
+fifa2014.forEach((element) => {
+    AwayGoal2014.push(element['Away Team Goals'])
+})
+
+
 //(e) Winner of 2014 world cup final */
 
 
@@ -26,8 +52,11 @@ Use getFinals to do the following:
 💡 HINT - you should be looking at the stage key inside of the objects
 */
 
-function getFinals(/* code here */) {
-    /* code here */
+function getFinals(arr) {
+    const finals = arr.filter(function(item){
+        return item.Stage === 'Final';
+    })
+    return(finals)
  }
 
 
@@ -38,8 +67,9 @@ Use the higher-order function called getYears to do the following:
 2. Receive a callback function as the second parameter that will take getFinals from task 2 as an argument
 3. Return an array called years containing all of the years in the getFinals data set*/
 
-function getYears(/* code here */) {
-    /* code here */
+function getYears(arr,cb) {
+    return cb(arr).map(item => item.Year);
+
 }
 
 
@@ -52,8 +82,17 @@ Use the higher-order function getWinners to do the following:
 💡 HINT: Don't worry about ties for now (Please see the README file for info on ties for a stretch goal.)
 4. Returns the names of all winning countries in an array called `winners` */ 
 
-function getWinners(/* code here */) {
-    /* code here */
+function getWinners(arr,cb) {
+    const winner = []
+    cb(arr).forEach((element) => {
+        if(element['Home Team Goals'] > element['Away Team Goals']){
+            winner.push(element['Home Team Name'])
+        }
+        else {
+            winner.push(element['Away Team Name'])
+        }
+    })
+    return(winner)
 }
 
 
@@ -69,12 +108,16 @@ Use the higher-order function getWinnersByYear to do the following:
 💡 HINT: the strings returned need to exactly match the string in step 4.
  */
 
-function getWinnersByYear(/* code here */) {
-    /* code here */
+function getWinnersByYear(arr,finalscb,yearscb,winnercb) {
+    const whoWon = winnercb(arr,finalscb)
+    const whatYear = yearscb(arr,finalscb)
+    return whoWon.map((element, index) => `In ${whatYear[index]}, ${element} won the world cup!` )
+
 }
 
 
 
+
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 6: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
 Use the higher order function `getAverageGoals` to do the following: 
  1. Receive a callback function as a parameter that will take `getFinals` (from task 2) as an argument; ensure you pass in `fifaData` as its argument
@@ -89,8 +132,11 @@ Use the higher order function `getAverageGoals` to do the following:
 
 */
 
-function getAverageGoals(/* code here */) {
-    /* code here */
+function getAverageGoals(finalscb) {
+    const averageHomeGoals = finalscb.reduce(function(acc,element) {
+        return acc + element['Home Team Goals'] + element['Away Team Goals'];
+    }, 0)
+    return (averageHomeGoals / finalscb.length).toFixed(2);
  }