Week 7: The DOM and events

Score 4 out of 5 to complete this week.

1. 1. Which method finds the first element that matches a CSS selector?

   document.getElementsByClassNamedocument.querySelectordocument.finddocument.select
2. 2. Why is textContent safer than innerHTML for user input?

   It is faster to typeIt never parses HTML, so it can't inject scriptsIt supports emojisIt works in older browsers
3. 3. What does event.preventDefault() do on a form submit?

   Stops the page from reloadingDeletes the formValidates fieldsDisables the button
4. 4. What is event delegation?

   Adding one listener on a parent to handle events from its childrenPassing events to a serverRunning events in a workerDelaying events with setTimeout
5. 5. Where should a script tag go so it can find elements, without blocking rendering?

   In <head> with no attributesIn <head> with deferInside a <div>After </html>