const data = [
{
id: 1,
name: "John",
lastName: "Doe",
adress: "5th Avenue",
},
{
id: 2,
name: "Jane",
lastName: "Doe",
adress: "5th Avenue",
},
{
id: 3,
name: "Alice",
lastName: "Doe",
adress: "5th Avenue",
},
{
id: 4,
name: "Bob",
lastName: "Doe",
adress: "5th Avenue",
},
];
const upercaseName = (data) => {
return data.map((item) => {
return {
...item,
name: item.name.toUpperCase()
}
})
}
console.log(upercaseName(data))