Document: querySelector () method - Web APIs | MDN
Jul 15, 2026 · The Document method querySelector () returns the first Element within the document that matches the specified CSS …
HTML DOM Document querySelector () Method - W3Schools
The querySelector () method returns the first element that matches a CSS selector. To return all matches (not only the first), use the …
Element: querySelector () method - Web APIs | MDN
Nov 6, 2025 · The querySelector() method of the Element interface returns the first element that is a descendant of the element on …
HTML DOM querySelector () Method - W3Schools
The querySelector () method returns the first child element that matches a specified CSS selector (s) of an element. Note: The …
HTML DOM querySelector() Method - GeeksforGeeks
Aug 10, 2026 · HTML DOM querySelector() Method is a powerful tool for selecting elements in the DOM using CSS selectors, …
HTML DOM querySelector () 方法 | 菜鸟教程
定义和用法 querySelector () 方法返回文档中匹配指定 CSS 选择器的一个元素。 注意： querySelector () 方法仅仅返回匹配指定选择 …
JavaScript querySelector: Selecting Elements By CSS Selectors
In this tutorial, you will learn how to use the JavaScript querySelector() and querySelectorAll() to find elements based on CSS selectors.
querySelector and querySelectorAll in JavaScript (Live Examples)
Find elements with CSS selectors in JavaScript: by id, class, attribute or state. Try selectors live, see why querySelector returns null, …
What is the querySelector() Method and How Does it Work in …
Feb 12, 2024 · The querySelector method is a web API that selects the first element that matches the specified CSS selector passed …
Document.querySelector () - Web APIs | MDN
Syntax element = document.querySelector(selectors); where element is an Element object. selectors is a string containing one or …