How selector works in CSS is they use JS internally?

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how selector works in CSS is they use JS internally?

Sharp Talk · Answer

When it comes to how selectors work in CSS and whether they use JavaScript internally, it's important to understand that CSS and JavaScript serve different purposes in web development. CSS selectors are used to target specific elements in an HTML document and apply styling to them. CSS is responsible for the presentation and layout of a webpage. It is designed to style elements based on their structure, classes, IDs, attributes, and relationships within the HTML document. On the other hand, JavaScript is a programming language that can be used to manipulate the HTML structure, dynamically change styles, and add interactivity to a webpage. While JavaScript can be used to select and modify elements on a webpage, it is not involved in how CSS selectors function internally. CSS selectors are parsed and applied by the browser's rendering engine (not JavaScript) to style the content of a webpage. JavaScript can be used to dynamically apply styles or change classes based on user interactions or other events, but it does not directly control how CSS selectors work. In summary, CSS selectors work independently of JavaScript internally. They are processed by the browser's rendering engine to style HTML elements based on the rules defined in the CSS stylesheet. JavaScript can interact with CSS styles and classes to create dynamic effects, but it does not dictate how CSS selectors function.

How selector works in CSS is they use JS internally?

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