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 text-decoration-thickness: Complete Guide with Examples

 CSS Text Decoration Thickness Property Tutorial

CSS Text Decoration Thickness Property Tutorial

This Blog You Will Learn

 ஃ What is CSS Text Decoration Thickness 

 ஃ  Where it is us 

 ஃ  Syntax:
 
ஃ structure diagram examples

 ஃ Examples

ஃ  Output

What is CSS Text Decoration Thickness 

The CSS text-decoration-thickness property is used to control the thickness (width) of text decoration lines such as underline, overline, and line-through. It allows web developers to customize how thick or thin the decoration line appears around text. By default, browsers apply a standard thickness, but this property gives full control over the visual appearance of decorated text. The value can be set to auto, a fixed length like px, or a percentage based on the font size. It is mainly used in modern web design to improve readability and create stylish text effects.

Syntax:

selector
 {
 
  text-decoration-thickness: value;
 }

Where it is us 

  • Highlight headings
  • Underline links
  • Improve UI design
  • Accessibility( better visibility)
structure diagram examples
CSS Text Decoration Thickness Property Tutorial

CSS Text Decoration Thickness Property Tutorial
Examples

<!DOCTYPE html>
<html>
<head>
<style>
h1 {
  text-decoration: underline blue;
  text-decoration-thickness: auto;  
}

h2 {
  text-decoration: underline red;
  text-decoration-thickness: 5px;  
}

h3 {
  text-decoration: overline green;
  text-decoration-thickness: 50%;    
}

/* Use shorthand property */
h4 {
  text-decoration: line-through solid blue 50%;    
}
</style>
</head>
<body>
<h1>CSS Text Decoration Thickness Property Tutorial</h1>
<h2>https://webdesigningtheory.blogspot.com/</h2>

<h3>CSS Tutorial</h3>
<h4>CSS Text Decoration Thickness Property </h4>


</body>
</html>

CSS Text Decoration Thickness Property Tutorial

Explain Program

Step  1] 


<!DOCTYPE html>
<html>
<head>
<style>

<!Doctype html>  → browser this is an HTML document

<html>                 →  Root element  of the webpage

<head>                      →  Contains metadata and CSS style

<style>                     →   Internal  CSS is written 

Step 2] 

CSS Section


<style>
h1 {
  text-decoration: underline blue;
  text-decoration-thickness: auto;  
}

h2 {
  text-decoration: underline red;
  text-decoration-thickness: 5px;  
}

h3 {
  text-decoration: overline green;
  text-decoration-thickness: 50%;    
}

h4 {
  text-decoration: line-through solid blue 50%;    
}
</style>

css code

Add  -  underline      -  blue  
Add  -  overline        - green
Add   -  line-through  - blue

Step 3]

   Closing tag


<</style>
</head>

Step 4]
<body> section
<body>
<h1>CSS Text Decoration Thickness Property Tutorial</h1>
<h2>https://webdesigningtheory.blogspot.com/</h2>
<h3>CSS Tutorial</h3>
<h4>CSS Text Decoration Thickness Property </h4>


<h1>   - heading         - Blue   -  Underline

<h2>  -  subheading    - Red    -   underline
<h3> - small heading  - Green -  underline
<h4> - smaller             - Blue   - underline

Step 5]
closing the Tag

  </body>   </html>



CSS Text Decoration Thickness Property Tutorial
Output:

CSS Text Decoration Thickness Property Tutorial


Read More :

CSS outline width property

CSS Text Shadow property

CSS Conic Gradient Property

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