DOM Javascript

Question 1

access a form and its element by name

Answer 1

let el = document.forms[‘formName’][‘elName’]

Question 2

focus a DOM element

Answer 2

elVariable.focus();

Question 3

set a style on a DOM element

Answer 3

elVariable.style. = “new value”;

Question 4

add or remove classes from a DOM element

Answer 4

elVariable.classList.add(‘styleName’);
elVariable.classList.remove(‘styleName’);
(there is also a .toggle() )

Question 5

NodeList forEach()?

Answer 5

Doesn’t have forEach().

Use Array.from() to convert to an array, or use for …of loop