change value of key in array of objects 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}
// ]update an item in array of object
//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])change key name in array of objects javascript
const arrayOfObj = [{
key1: 'value1',
key2: 'value2'
}, {
key1: 'value1',
key2: 'value2'
}];
const newArrayOfObj = arrayOfObj.map(({
key1: stroke,
...rest
}) => ({
stroke,
...rest
}));
console.log(newArrayOfObj);Copyright © 2021 Codeinu
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