get an item from webpage in javascript

index.tsx
// get the element with id 'myElement'
const element = document.getElementById('myElement');

// change the text of the element
element.textContent = 'Hello, World!';
167 chars
6 lines

index.tsx
// get the first element with the class 'myClass'
const element = document.querySelector('.myClass');

// get all elements with the tag name 'p'
const elements = document.getElementsByTagName('p');
198 chars
6 lines