JavaScript Array map() method in detail
let arr = [3, 4, 5, 6];
for (let i = 0; i < arr.length; i++){
arr[i] = arr[i] * 3;
}
console.log(arr); // [9, 12, 15, 18]
JavaScript Array map() method in detail
let arr = [3, 4, 5, 6];
for (let i = 0; i < arr.length; i++){
arr[i] = arr[i] * 3;
}
console.log(arr); // [9, 12, 15, 18]
JavaScript Array map() method in detail
let users = [
{firstName : "Susan", lastName: "Steward"},
{firstName : "Daniel", lastName: "Longbottom"},
{firstName : "Jacob", lastName: "Black"}
];
let userFullnames = users.map(function(element){
return `${element.firstName} ${element.lastName}`;
})
console.log(userFullnames);
// ["Susan Steward", "Daniel Longbottom", "Jacob Black"]
JavaScript Array map() method in detail
let arr = [3, 4, 5, 6];
let modifiedArr = arr.map(function(element){
return element *3;
});
console.log(modifiedArr); // [9, 12, 15, 18]
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us