CODE EXAMPLE FOR JAVASCRIPT

map function usage in frontend

let cont = document.getElementById('#container');
  
let users = [
    { firstName : "John", lastName: "Doe", age: 17 },
    { firstName : "Stephen", lastName: "Matt", age: 16 },
    { firstName : "Abigail", lastName: "Susu", age: 15 }
];
  
let singleUser = users.map((user)=>{
    // Let's add the firstname and lastname together
    let fullName = user.firstName + ' ' + user.lastName;
    return `
      <h3 class='name'>${fullName}</h3>
      <p class="age">${user.age}</p>
    `
});
  
container.innerHTML = singleUser;