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map function

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Prasanth S answered on April 7, 2020 Popularity 9/10 Helpfulness 2/10

answer map function

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map function

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let users = [
  { firstName: "Susan", lastName: "Steward", age: 14, hobby: "Singing" },
  { firstName: "Daniel", lastName: "Longbottom", age: 16, hobby: "Football" },
  { firstName: "Jacob", lastName: "Black", age: 15, hobby: "Singing" }
];

Popularity 9/10 Helpfulness 2/10 Language whatever

Source: www.freecodecamp.org

Tags: map-function whatever

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Contributed on Mar 08 2023

Prasanth S

0 Answers Avg Quality 2/10

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map()

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The map() method creates a new array populated with the results of calling 
a provided function on every element in the calling array.

const array1 = [1, 4, 9, 16];

// pass a function to map
const map1 = array1.map(x => x * 2);

console.log(map1);
// expected output: Array [2, 8, 18, 32]

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Oct 09 2020

CodeMaster64

0 Answers Avg Quality 2/10

how the map function works javascript

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const array = [2, 5, 9];
let squares = array.map((num) => num * num);

console.log(array); // [2, 5, 9]
console.log(squares); // [4, 25, 81]

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 07 2020

DCmax1k

0 Answers Avg Quality 2/10

javascript map function

Comment

/* Answer to: "javascript map function" */

/*
  <Array>.map() - One of the most useful in-built methods in JavaScript (imo).

  The map() method creates a new array populated with the results of calling
  a provided function on every element in the calling array.
 
  For more information, click on the source link.

  Let me make some examples of it's uses:
*/

let array = [1, 4, 9, 16];
array.map(num => num * 2); // [2, 8, 18, 32];
array.map(pounds => `£${pounds}.00`); // ["£1.00", "£4.00", "£9.00", "£16.00"];
array.map(item => Math.sqrt(item)); // [1, 2, 3, 4];

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Oct 29 2020

TigerYT

0 Answers Avg Quality 2/10

map method

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function map(array, transform) {
  let mapped = [];
  for (let element of array) {
    mapped.push(transform(element));
  }
  return mapped;
}

let rtlScripts = SCRIPTS.filter(s => s.direction == "rtl");
console.log(map(rtlScripts, s => s.name));
// → ["Adlam", "Arabic", "Imperial Aramaic", …]

Popularity 10/10 Helpfulness 2/10 Language css

Source: eloquentjavascript.net

Tags: css

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Contributed on Oct 01 2021

Xanthous Xenomorph

0 Answers Avg Quality 2/10

js map()

Comments(1)

var number = [1, 2 , 3, 4, 5, 6, 7, 8, 9]; 
var doubles  = number.map((n) => { return n*2 })

/*  doubles 
    (9) [2, 4, 6, 8, 10, 12, 14, 16, 18] */

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 08 2022

ofroog

0 Answers Avg Quality 2/10

map()

Comment

const myMap = new Map();
let userid = 1314124141;

myMap.set('veri_' + userid, 1) // set
myMap.set('veri_' + userid, myMap.get('veri_' + userid) + 1) // push

console.log(myMap.get('veri_' + userid)) // output: 3

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 03 2022

Pudochu

0 Answers Avg Quality 2/10

JavaScript Map Function

Comment

const myAwesomeArray = [5, 4, 3, 2, 1]

myAwesomeArray.map(x => x * x)

// >>>>>>>>>>>>>>>>> Output: [25, 16, 9, 4, 1]

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

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Contributed on Dec 30 2021

Spotless Spider

0 Answers Avg Quality 2/10

javaScript Map() Method

Comment

// Create a Map
const fruits = new Map([
  ["apples", 500],
  ["bananas", 300],
  ["oranges", 200]
]);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 22 2022

naly moslih

0 Answers Avg Quality 2/10

map function javascript

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var rebels = pilots.filter(function (pilot) {  return pilot.faction === "Rebels";});var empire = pilots.filter(function (pilot) {  return pilot.faction === "Empire";});

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: medium.com

Tags: javascript j

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Contributed on Feb 10 2021

Joyous Jaguar

0 Answers Avg Quality 2/10

map function

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