Breaking News: Grepper is joining You.com. Read the official announcement!

mdn .map

Add Answer

Dizzy Dog answered on June 15, 2020 Popularity 10/10 Helpfulness 2/10

answer mdn .map

related array mdn map

related javascript map mdn

related mdn js map

mdn .map

Comment

const numbers = [1, 5, 10, 15];
const doubles = numbers.map(function(x) {
   return x * 2;
});
// doubles is now [2, 10, 20, 30]
// numbers is still [1, 5, 10, 15]

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

Link to this answer
Share Copy Link

Contributed on Oct 09 2021

Dizzy Dog

0 Answers Avg Quality 2/10

Closely Related Answers

array mdn map

Comments(1)

let new_array = arr.map(function callback( currentValue[, index[, array]]) {
    // return element for new_array
}[, thisArg])

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jun 15 2020

Bad Bison

0 Answers Avg Quality 2/10

javascript map mdn

Comment

myRange = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
//understanding map power is similar to forEach, but concise
//creating objects
const newRange = myRange.map((d) =>({num : d * 5, tuo : d * 50}));

//creating updated ranges
const newRange = myRange.map((d) =>d * 5);

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jul 09 2022

M M Kamalraj

0 Answers Avg Quality 2/10

mdn js map

Comment

const wrongMap = new Map();
wrongMap['bla'] = 'blaa';
wrongMap['bla2'] = 'blaaa2';

console.log(wrongMap); // Map { bla: 'blaa', bla2: 'blaaa2' }

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Mar 16 2023

Nasty Newt

0 Answers Avg Quality 2/10

mdn .map

Contents

More Related Answers

mdn .map

Closely Related Answers

array mdn map

javascript map mdn

mdn js map

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.