“Ubah Nilai Kunci dalam Array Objek JavaScript” Kode Jawaban

Perbarui item dalam array objek

//Initailize array of objects.
let myArray = [
  {id: 0, name: "Jhon"},
  {id: 1, name: "Sara"},
  {id: 2, name: "Domnic"},
  {id: 3, name: "Bravo"}
],
    
//Find index of specific object using findIndex method.    
objIndex = myArray.findIndex((obj => obj.id == 1));

//Log object to Console.
console.log("Before update: ", myArray[objIndex])

//Update object's name property.
myArray[objIndex].name = "Laila"

//Log object to console again.
console.log("After update: ", myArray[objIndex])
Upset Unicorn

Ubah Nilai Kunci dalam Array Objek JavaScript

const users = [
  { name: "Alex", age: 25 },
  { name: "John", age: 32 },
];

const newUsers = users.map((user) => ({
  ...user,
  age: user.age + 5, // just for example
}));

// newUsers = [
// {name:"Alex" , age:30},
// {name:"John , age:37}
// ]
Disgusted Dragonfly

Ubah kunci dalam array objek JavaScript

let arrayObj = [{key1:'value1', key2:'value2'},{key1:'value1', key2:'value2'}];

arrayObj = arrayObj.map(item => {
      return {
        stroke: item.key1,
        key2: item.key2
      };
    });
Disgusted Dragonfly

Ubah Nama Kunci Dalam Array Objek JavaScript

const arrayOfObj = [{
  key1: 'value1',
  key2: 'value2'
}, {
  key1: 'value1',
  key2: 'value2'
}];
const newArrayOfObj = arrayOfObj.map(({
  key1: stroke,
  ...rest
}) => ({
  stroke,
  ...rest
}));

console.log(newArrayOfObj);
Hungry Horse

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