Templates in javascript

example.js

function appMyList(data, itemTemplate, emptyTemplate) {
    let htmlContent = `<div class='my-list'>`;
    if (!!data && data.length > 0) {
        for (let item of data) {
            htmlContent += `<div class='list-item'> ${itemTemplate(item)}</div>`;
        }
    } else {
        htmlContent += emptyTemplate();
    }
    htmlContent += `</div>`;
    return htmlContent;
}

function myItemTemplate(item) {
    return `<img src="${item.image}" width="200" height="200"/> ${item.name} ${item.lastName}`;
}

function emptyTemplate() {
    return `<div class="warning">No records found.</div>`;
}
// Data created with: https://www.mockaroo.com/ 
let employeeList = [
    { name: 'Molly', lastName: 'Passler', image: 'http://dummyimage.com/132x100.png/ff4444/ffffff' },
    { name: 'Elisabeth', lastName: 'Bastow', image: 'http://dummyimage.com/243x100.png/dddddd/000000' },
    { name: 'Faunie', lastName: 'Lamers', image: 'http://dummyimage.com/119x100.png/5fa2dd/ffffff' },
    { name: 'Kendricks', lastName: 'Rackley', image: 'http://dummyimage.com/178x100.png/5fa2dd/ffffff' },
    { name: 'Cassy', lastName: 'Golland', image: 'http://dummyimage.com/132x100.png/ff4444/ffffff' }
];
let domContent = appMyList(employeeList, myItemTemplate, emptyTemplate);

document.body.innerHTML = domContent