elem..append code example

Example 1: appendchild javascript

function createMenuItem(name) {
    let li = document.createElement('li');
    li.textContent = name;
    return li;
}
// get the ul#menu
const menu = document.querySelector('#menu');
// add menu item
menu.appendChild(createMenuItem('Home'));
menu.appendChild(createMenuItem('Services'));
menu.appendChild(createMenuItem('About Us'));

Example 2: for each append to document

var person = {
    firstName: "john",
    lastName: "doe",
    age: 45,
    placeOfBirth: "somewhere"
}

for(var key in person) {
    
        var p = document.createElement("p");
        p.innerHTML = person[key];
        document.body.appendChild(p)
    
}