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Showing posts with the label DOCTYPE Declaration

Conditional Rendering in React Complete Guide with Examples 2026

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  Conditional Rendering in React Conditional Rendering is one of the most useful concepts in React. It means showing different content on the screen depending on a condition. For example: If a user is logged in → show Logout If a user is not logged in → show Login If a student has passed → show Congratulations If a product is available → show Buy Now If data is loading → show Loading... React does not have a separate if rendering tag. Instead, we use normal JavaScript conditions such as if, the ternary operator, &&, and switch to decide what should appear in the UI.

HTML !DOCTYPE Declaration: Definition, Syntax & Example

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 what is  <!DOCTYPE>  declaration in html ✅ What is <!DOCTYPE> in HTML 1)  The <!DOCTYPE> declaration in HTML is used to tell the web browser which version of HTML the webpage is written in. It is always placed at the top of the document and helps the browser display the page properly. 2)  In modern websites, the most commonly used declaration is: <!DOCTYPE html> 3)  This represents HTML5, the latest version of HTML. Compared to older versions, HTML5 uses a simple and easy DOCTYPE. 4)  The main purpose of <!DOCTYPE> is to make sure the browser uses standard mode when rendering the page. If this declaration is missing, the browser may switch to quirks mode, which can cause design issues and inconsistent layouts. Standard mode ensures that HTML and CSS work correctly across different browsers. 5) It is also important to understand that <!DOCTYPE> is not an HTML element, but just a declaration, so it does not need a clo...