JS создает элемент
var newDiv = document.createElement("div");
document.body.appendChild(newDiv);
just-saved-you-a-stackoverflow-visit
var newDiv = document.createElement("div");
document.body.appendChild(newDiv);document.body.onload = addElement;
function addElement () {
// create a new div element
var newDiv = document.createElement("div");
// and give it some content
var newContent = document.createTextNode("Hi there and greetings!");
// add the text node to the newly created div
newDiv.appendChild(newContent);
// add the newly created element and its content into the DOM
var currentDiv = document.getElementById("div1");
document.body.insertBefore(newDiv, currentDiv);
}let element = document.createElement(tagName[, options]);
document.body.onload = addElement;
function addElement () {
// create a new div element
const newDiv = document.createElement("div");
// and give it some content
const newContent = document.createTextNode("Hi there and greetings!");
// add the text node to the newly created div
newDiv.appendChild(newContent);
// add the newly created element and its content into the DOM
const currentDiv = document.getElementById("div1");
document.body.insertBefore(newDiv, currentDiv);
}