document get element by tag
var list = document.getElementsByTagName("UL")[0]; list.getElementsByTagName("LI")[0].innerHTML = "Milk";
document.getelementsbytagname
const btns = document.getElementsByTagName('button'); const btnFirst = btns.item(0); // to get an item for the HTML collection use indexing, like arrays start // at index 0 const btnNamed = btns.namedItem('named-btn'); // to get a named item you can use both id & name attributes btnFirst.onclick = () => { console.log('The first item in the collection'); } btnNamed.onclick = () => { console.log('A named item in the collection'); }
getelementsbytagname
const collection = document.getElementsByTagName("li");