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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CSS Syntax Explained: Easy Guide for Beginners

Introduction to css Syntax

Introduction to css Syntax


Introduction to css Syntax









  • CSS Selector points  HTML element declaration block contains  one or more declarations 
  • separated by semicolons.
  • each CSS Selector declaration includes a CSS Property name and value ,separated by colon.
  •  CSS multiple  declaration are separated with semicolons
  • CSS element declaration blocks are surrounded by curly braces.

Introduction to css Syntax

Syntax  

selector {
    property: value;

}

Introduction to css Syntax
Example  

<!DOCTYPE html>
<html>
<head>
<title> html css Syntax </title>
    <style>
     p{   color:rgb(0, 8, 255);
        text-align:center;
    }

    </style>
</head>
<body>
  <p>Hello every one</p>
  <p>My Name is web designing theory</p>
  <p>https://webdesigningtheory.blogspot.com/</p>
  <p>learn to programming language</p>
  <p>Easy understand</p>


</body>
</html>



Introduction to css Syntax

Explain Program

Step 1]

<!DOCTYPE html>

  • This declare the document type.
  • browser that the document is written in html
Step 2]

<html>.... . </html>

  • html is the root element of the html page.
  •  Every thing inside it is part of the webpage.
Step 3]

<head> Section

html head contains  information about webpage.
html include CSS styles.
 head section contains metadata about page. not visible on the page itself

Step 4]

<title>

 <title>   tag appears  on the browser tab.
 <title>   tag  use bookmark page name.
 <title>   tag  use title in (SEO)search engine result.
 
Step 5]

 <style>
     p{   color:rgb(0, 8, 255);
        text-align:center;
    }

    </style>

  CSS  internal css use html file.

P                    =   all paragraph (<P>) tag  elements.
color              =   rgb(0, 8, 255) blue color
 text-align     =    center

Step 6]

closing the Tag

   
</style>
</head>

Step 7]

<body>

  • < body> tag  contains all the content visible to webpage.
  • <body> tag contains  all the visible content of the page.
  • inside <body> show the browser screen.

Step 8]

 <p>Hello every one</p>
 <p>My Name is web designing theory</p>
 <p>https://webdesigningtheory.blogspot.com/</p>
 <p>learn to programming language</p>
 <p>Easy understand</p>


html contain  inside a <P> (paragraph) tag

All text is blue

All text is centered

Step 8]

closing the Tag

</body>
</html>

Introduction to css Syntax

Output

Introduction to css Syntax

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