Nora Brown nabrown
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Instagram Gallery</title> | |
| <script src="https://unpkg.com/[email protected]/dist/vue.min.js"></script> | |
| <script src="https://unpkg.com/axios/dist/axios.min.js"></script> | |
| <style type="text/css"> | |
| :root{ | |
| --color: #95e9ef; | |
| --background: #1f1f1f; |
nabrown
/ Utils.2.1.js
Created
April 9, 2018 13:05
Another implementation of getRandosFromArray, using an efficient shuffle function
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export const getRandosFromArray = function(arr, numRandos){ | |
| let arrClone = arr.slice(0) | |
| let shuffled = shuffle(arrClone) | |
| let randos = shuffled.slice(0, numRandos) | |
| return randos | |
| } | |
| // https://bost.ocks.org/mike/shuffle/ | |
| const shuffle = function(array) { | |
| var m = array.length, t, i; |
nabrown
/ Utils.2.0.js
Last active
April 9, 2018 13:28
Another implementation of getRandosFromArray function, using shuffled array
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export const getRandosFromArray = function(arr, numRandos){ | |
| let arrClone = array.slice(0) | |
| let shuffled = arrClone.sort(function() { return .5 - Math.random() }) | |
| let randos = shuffled.slice(0, numRandos) | |
| return randos | |
| } |
nabrown
/ Utils.1.1.js
Last active
April 9, 2018 12:59
One working implementation of getRandosFromArray function
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export const getRandosFromArray = function(arr, numRandos){ | |
| let arrClone = arr.slice(0) | |
| let randos = [] | |
| for (let i = 0; i < numRandos; i++){ | |
| let rand = Math.floor(Math.random() * arrClone.length) | |
| randos.push(arrClone.splice(rand,1)[0]) // splice returns a new array | |
| } | |
| return randos | |
| } |
nabrown
/ Utils.1.0.js
Last active
April 9, 2018 12:53
An incorrect implementation of a getRandosFromArray function
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export const getRandosFromArray = function(arr, numRandos){ | |
| let arrClone = arr.slice(0) | |
| let randos = [] | |
| for (let i = 0; i < numRandos; i++){ | |
| let rand = Math.floor(Math.random() * arrClone.length) | |
| randos.push(arrClone.splice(rand,1)) | |
| } | |
| return randos | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| test('getRandosFromArray returns an array of n random items from an array', () => { | |
| let array = [{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}, {id: 7}, {id: 8}, {id: 9}] | |
| let n = 2 | |
| let items = utils.getRandosFromArray(array, n) | |
| expect(items.length).toBe(n) | |
| expect(array).toContain(items[0]) | |
| expect(array).toContain(items[1]) | |
| }) |
NewerOlder