finished array work

index.js

@@ -1,3 +1,5 @@
+
+
 const { fifaData } = require('./fifa.js')
 
 // ⚽️ M  V P ⚽️ //
@@ -7,15 +9,29 @@ Practice accessing data by console.log-ing the following pieces of data note.
 
 💡 HINT: You may want to filter the data first 😉*/
 
-//(a) Home Team name for 2014 world cup final
+var filterMatch
+for (var i = 0; i < fifaData.length; i++) {
+    if (fifaData[i].Year === 2014 && fifaData[i].Stage == "Final") {
+        filterMatch = fifaData[i]
+    }
+}
 
-//(b) Away Team name for 2014 world cup final
 
-//(c) Home Team goals for 2014 world cup final
 
+var result = fifaData.filter(match => match["Year"] === 2014 && match["Stage"] === "Final")[0];
+//(a) Home Team name for 2014 world cup final
+//(b) Away Team name for 2014 world cup final
+console.log(result['Away Team Name']);
+//(c) Home Team goals for 2014 world cup final
+console.log(result['Home Team Goals']);
 //(d) Away Team goals for 2014 world cup final
-
+console.log(result['Away Team Goals']);
 //(e) Winner of 2014 world cup final */
+if (result['Home Team Goals'] > result['Away Team Goals']) {
+    console.log(result['Home Team Name']);
+} else {
+    console.log(result['Away Team Name']);
+}
 
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 2: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 
@@ -26,22 +42,24 @@ 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(data) {
+    return data.filter(match => match['Stage'] === 'Final');
+}
 
+console.log(getFinals(fifaData))
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 3: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
 Use the higher-order function called getYears to do the following: 
 1. Receive an array as the first parameter that will take fifaData as an argument
 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(data, finals) {
+    var finalsList = finals(data);
+    return finalsList.map(match => match['Year']);
 }
 
+console.log(getYears(fifaData,getFinals))
 
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 4: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
@@ -52,10 +70,13 @@ 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(data,finals) {
+    var finalsList = finals(data);
+    return finalsList.map(match => (match['Home Team Goals'] > match['Away Team Goals']) ? match['Home Team Name'] : match['Away Team Name']);
 }
 
+console.log(getWinners(fifaData,getFinals))
+
 
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 5: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 
@@ -69,11 +90,14 @@ 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(data,finals,years,winners) {
+    var winners = winners(data,finals)
+    var theYears = years(data,finals)
+    return winners.map((x,i) => `In ${theYears[i]}, ${x} won the world cup!`);
+}
 
+getWinnersByYear(fifaData,getFinals,getYears,getWinners)
 
 /* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 6: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
 Use the higher order function getAverageGoals to do the following: 
@@ -88,10 +112,17 @@ Use the higher order function getAverageGoals to do the following:
 
 */
 
-function getAverageGoals(/* code here */) {
-    /* code here */
- }
-
+function getAverageGoals(data) {
+    var homeGoals = data.reduce((x, y) => {
+        return x += y["Home Team Goals"];
+    }, 0) / data.length;
+    var awayGoals = data.reduce((x, y) => {
+        return x += y["Away Team Goals"];
+    }, 0) / data.length;
+    return (homeGoals+awayGoals).toFixed(2);
+};
+
+console.log(getAverageGoals(fifaData));