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.
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Introduction to internal css


 

  Internal CSS 

1] Internal css used to add a unique style for single document.

2]  Internal  css is defined in <head> section.

3]  Internal   css of the html page inside <style> tag.

4]  Internal css is embedded <style> tag inside the head section of the HTML file.


ஃ Internal CSS 

Example :-

<!DOCTYPE html>
<html>
<head>
<title>internal css</title>
    <style>
        h1 {
            background-color: orange;
                color : #ffffff;
        }
        p {
            color:rgb(244, 4, 84);

        }
    </style>
 </head>
<body>
    <h1> HTML</h1>
    <p>Hypertext text markup language </p>
    <h1>CSS</h1>
    <P>Cascading style sheet </P>
    <a href="#" >webdesigningtheory</a>
   
</body>
</html>

ஃ Internal CSS 

Output :-

internal css program output






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