10 Simple DOM Questions

What is the DOM in JavaScript? Concept: Basics Explain that DOM = Document Object Model It represents HTML as a tree structure JS uses it to interact with web pages How do you select an element by ID? Concept: getElementById() let heading = document.getElementById("title"); How do you select elements by class name? Concept: getElementsByClassName() let items = document.getElementsByClassName("item"); What is the difference between querySelector() and querySelectorAll()? Concept: Modern selectors