


Learn what 'Query Selector' means in the context of web design, SEO, or Webflow development. Discover how it applies to your digital projects.
The Query Selector is a powerful JavaScript method used to select elements from the Document Object Model (DOM) based on CSS selectors. It allows developers to easily target and manipulate specific elements on a webpage.
Using query selectors simplifies DOM manipulation by enabling precise selection of elements using familiar CSS syntax. This method is versatile, efficient, and supports complex selectors, making it a preferred choice for modern JavaScript development.
document.querySelector()
— Returns the first element that matches a specified CSS selector.document.querySelectorAll()
— Returns a static NodeList of all elements matching the selector.javascript
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// Select the first element with class "button"
const button = document.querySelector('.button');
// Select all elements with class "item"
const items = document.querySelectorAll('.item');
// Loop through all items
items.forEach(item => {
item.style.color = 'blue';
});
querySelectorAll
returns a NodeList, which can be iterated with forEach
.The Query Selector methods provide an intuitive and flexible way to access and manipulate DOM elements using CSS selectors. Mastering these methods is essential for efficient JavaScript coding and creating dynamic, interactive web experiences.