Glossary coding Term Page

DOM selectors

`querySelector` and `querySelectorAll` find elements

dom-selectors #coding#javascript

Related Concepts

Event handlers classList API Event delegation IntersectionObserver

Core Idea

DOM selectors is querySelector and querySelectorAll find elements. Because a match may not exist, pair them with optional chaining (?.). It usually makes the most sense alongside Event handlers, classList API, Event delegation.

Why It Matters Here

Mathbong reuses this term across javascript posts as shared vocabulary.

Posts Mentioning This Concept

[JavaScript 시리즈 4편] DOM 선택과 이벤트로 화면 움직이기 querySelector, classList, addEventListener를 사용해 버튼, 입력 폼, 리스트를 조작하는 실전 DOM 패턴을 정리합니다.[JavaScript Series 4] Make the Page Interactive with DOM Selection and Events Covers querySelector, classList, addEventListener, and other practical DOM patterns for buttons, forms, and lists.