|
1 |
| -'use strict'; |
2 |
| -var input = [ 10, 15, 20, 25, 30, 35 ]; |
3 |
| -// var expected = 135 |
4 | 1 | function sum (array) {
|
5 | 2 | // your code here
|
6 |
| - return array.reduce(function(initialValue, element){ |
7 |
| - console.log(initialValue); |
8 |
| - console.log(element); |
9 |
| - return initialValue + element; |
10 |
| - }); |
11 | 3 | }
|
12 | 4 |
|
13 |
| -console.log(sum(input)); |
14 |
| - |
15 |
| -var input1 = [[ 1, 2, 3 ], //row |
16 |
| - [ 4, 5 ], |
17 |
| - [ 6 ]]; |
18 |
| - |
19 |
| - //output = 720 |
20 |
| - |
21 | 5 | function productAll (array) {
|
22 | 6 | // your code here
|
23 |
| - return array.reduce(function(product, row){ |
24 |
| - console.log('product ', product); |
25 |
| - console.log('row ', row); |
26 |
| - //product starts at 1. will hold all the results of reduce on each row |
27 |
| - // |
28 |
| - product *= row.reduce(function(prev, current){ |
29 |
| - console.log('prev ', prev); |
30 |
| - console.log('current ', current); |
31 |
| - console.log(prev * current); |
32 |
| - return prev * current; |
33 |
| - }); |
34 |
| - console.log(product); |
35 |
| - return product; |
36 |
| - }, 1); |
37 | 7 | }
|
38 | 8 |
|
39 |
| -console.log(productAll(input1)); |
40 |
| - |
41 |
| - |
42 |
| -var cartoonsObject = [[ 'Thundercats', '80s' ], //row |
43 |
| - [ 'The Powerpuff Girls', '90s' ], //row |
44 |
| - [ 'Sealab 2021', '00s' ]]; //row |
45 |
| -// var expected = { 'Thundercats': '80s', |
46 |
| -// 'The Powerpuff Girls': '90s', |
47 |
| -// 'Sealab 2021': '00s' }; |
48 |
| - |
49 | 9 | function objectify (array) {
|
50 | 10 | // your code here
|
51 |
| - //cartoonObject is our accumulator object, so also need {} |
52 |
| - //reach row is the element being passed in which is an array |
53 |
| - //console log to get the keys and values to populate our cartoonObject |
54 |
| - //create cartoonObject |
55 |
| - //return cartoonObject starting object/array/value |
56 |
| - return array.reduce(function(newCartoonObject, cartoonArray){ |
57 |
| - // console.log('array ', array); |
58 |
| - // console.log(row); |
59 |
| - // console.log('row ', row[0]); |
60 |
| - // console.log('row2 ', row[1]); |
61 |
| - //build up cartoonObject object[key] |
62 |
| - newCartoonObject[cartoonArray[0]] = cartoonArray[1]; |
63 |
| - // console.log('cartoonObject ', cartoonObject); |
64 | 11 |
|
65 |
| - // console.log('cartoon Object ', cartoonObject); |
66 |
| - return newCartoonObject; |
67 |
| - }, |
68 |
| - {}); //empty object container for newCartoonObject |
69 | 12 | }
|
70 | 13 |
|
71 |
| -//to get cartoonObject without console logging before return |
72 |
| -console.log(objectify(cartoonsObject)); |
73 |
| - |
74 |
| -var input3 = [ 30, 48, 11, 5, 32 ]; |
75 |
| -// var expected = 'Your lucky numbers are: 30, 48, 11, 5, and 32'; |
76 |
| - |
77 |
| -//define fortune string which is starting value 'Your lucky numbers are: ' |
78 | 14 | function luckyNumbers (array) {
|
79 | 15 | // your code here
|
80 |
| - return array.reduce(function(previous, current, index, array) { |
81 |
| - // console.log('Your lucky numbers are: ' + element + element; |
82 |
| - if ( index === array.length - 1){ |
83 |
| - console.log(previous + "and " + current); |
84 |
| - return previous + "and " + current; |
85 |
| - } |
86 |
| - return previous + current + ", "; |
87 |
| - console.log(previous + current); |
88 |
| - }, "Your lucky numbers are "); |
89 | 16 | }
|
90 | 17 |
|
91 |
| -luckyNumbers(input3); |
92 | 18 |
|
93 | 19 | module.exports = {
|
94 | 20 | sum: sum,
|
|
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