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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What is External CSS in HTML? Complete Beginner Guide

 


External CSS


1]  External css refers to Cascading style sheets that are store that are stored in separate file.

2]  External CSS  linked to HTML documents using the  '<link> ' element.

3]  External css method allows for the separation of the presentation  (style) from the
    content (html structure ) 

4]  External css is use easier to manage and maintain large-scale  website.

5]  Create a css file Save your  css rules in a separate file with a  ' .css ' extension.
        Example - file name :- ' styles.css '

External  css 

Example :-


7] Link the css file to your Html  document :- 
      
      1]    <head>  section of your html document add.
      2]   <link> element  with the ' rel ' attribute  set  to " stylesheet " and .
      3]  ' href ' attribute  pointing to the location of your css file.


External html  

Example :-

html code
<!DOCTYPE html>
<html>
<head>
      <title>External CSS</title>
  <link rel ="stylesheet" href="styles.css">
</head>
<body>
<div>
        <h1>Learn programming Language</h1>
        <p> easy to undestand html ,css
js in webdesigningtheory.blogspot.com</p>
   
    </div>
</body>
</html>

External CSS

Example :-


/* style.css */
body
{
}
h1
{
    color :aqua;
 }
 h2
{
    color:antiquewhite;
 }
.container
{
    width: 80%;
    margin:auto;
}

External CSS

Output :-

External CSS EXAMPLE output










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