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

JavaScript Change the Elements of an Array

Add Answer

SAMER SAEID answered on December 11, 2020 Popularity 9/10 Helpfulness 1/10

answer JavaScript Change the Elements of an Array

related modify array elements javascript

related change one element in array javascript

JavaScript Change the Elements of an Array

Comment

-2

let dailyActivities = [ 'eat', 'sleep'];

// this will add the new element 'exercise' at the 2 index
dailyActivities[2] = 'exercise';

console.log(dailyActivities); // ['eat', 'sleep', 'exercise']

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: elements javascript

Link to this answer
Share Copy Link

Contributed on May 21 2022

SAMER SAEID

0 Answers Avg Quality 2/10

Closely Related Answers

modify array elements javascript

Comment

Using a FOR loop, write a function addNumber which adds the argument n to each 
number in the array arr and returns the updated arr:
const addNumber=(arr, n)=>{  
  let arr1=[];
  for(let i=0;i<Math.max(arr.length);i++){
    arr1.push((arr[i]||0)+n)
  }
  return arr1;
} 
console.log(addNumber([4, 5, 6], 7)); // expected log [11, 12, 13]

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: elements element

Link to this answer
Share Copy Link

Contributed on Dec 11 2020

Bozzie Williams

0 Answers Avg Quality 2/10

change one element in array javascript

Comment

-2

var users = [
{id: 1, firstname: 'John', lastname: 'Ken'},
{id: 2, firstname: 'Robin', lastname: 'Hood'},
{id: 3, firstname: 'William', lastname: 'Cook'}
];

var editedUser = {id: 2, firstname: 'Michael', lastname: 'Angelo'};

users = users.map(u => u.id !== editedUser.id ? u : editedUser);

console.log('users -> ', users);
 Run code snippet

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: element

Link to this answer
Share Copy Link

Contributed on Mar 07 2022

Old-fashioned Oryx

0 Answers Avg Quality 2/10

JavaScript Change the Elements of an Array

Contents

More Related Answers

JavaScript Change the Elements of an Array

Closely Related Answers

modify array elements javascript

change one element in array javascript

Grepper

Documentation

Social

Legal

Contact

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