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PAR Alice & Julie #494

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PAR Alice & Julie #494

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55 changes: 54 additions & 1 deletion 55 starter-code/src/functions-and-arrays.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,12 @@
// Find the maximum
function maxOfTwoNumbers(x,y){
if (x > y){
return x;
}else{
return y;
}
}
maxOfTwoNumbers(1,3)

// Finding Longest Word
var words = [
Expand All @@ -10,16 +18,51 @@ var words = [
'orchard',
'crackpot'
];
function findLongestWord (array) {

// Calculating a Sum
var longuestWord = ""
for (var i=0; i<array.length; i++) {
if (array[i].length > longuestWord.length){
longuestWord= array[i]
}
}

if (array.length === 0){
return
}
return longuestWord;


}
findLongestWord(words)

// Calculating a Sum
var numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
function sumArray (array){
var sum = 0;
for (i=0; i<array.length; i++){
sum = sum + array[i];
}
return sum
}
sumArray(numbers)

// Calculate the Average

var numbersAvg = [2, 6, 9, 10, 7, 4, 1, 9];
function averageNumbers (array){
var sumAverage = 0;
for (i=0; i<array.length; i++){
sumAverage = sumAverage + array[i];
var average = sumAverage/array.length
}
return average
}
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To keep your code dry (= avoid repetitions), you can also call the sumArray function that you created earlier.

function averageNumbers(arrayNumber) {
   var sumRes = sumArray(arrayNumber);
   if (arrayNumber.length > 0) {
   var average = sumRes / arrayNumber.length; 
   }
   return average;
 }

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the if statement here ( if (arrayNumber.length > 0) ) is to handle the case when we try to pass an empty array to the function, to please Jasmine :)

averageNumbers(numbersAvg)

// Array of Strings


var wordsArr = [
'seat',
'correspond',
Expand All @@ -32,6 +75,16 @@ var wordsArr = [
'fuel',
'palace'
];
function averageWordLength (array){
var wordLength = 0
for (i=0; i<array.length; i++){
wordLength += array[i].length;

}
var averageLength= wordLength/array.length;
return averageLength
}
averageWordLength(wordsArr)

// Unique Arrays
var wordsUnique = [
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