JavaScript Crear elemento con atributos
var element = document.createElement("span");
element.setAttribute("style", "color: red");
document.body.appendChild(element);
TC5550
var element = document.createElement("span");
element.setAttribute("style", "color: red");
document.body.appendChild(element);document.getElementsByTagName("H1")[0].setAttribute("class", "democlass");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);
}