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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HTML Table Attribute in html

https://webdesigningtheory.blogspot.com/

                                Table Tag Attributes 



1) Rowspan Tag 

 

The <tr> tag in HTML stands for "table row" and is used to define a row in a table. It is placed inside a <table> element and typically contains one or more <td> (table data) or <th> (table header) elements. Each <tr> represents a single row of data or headers in the table. Rows can be styled using CSS, and can also work with rowspan and colspan attributes inside cells to span across row or columns for better layout control.

 

Example

program

<html>

<body>

<h1>Example of TD Rowspan attribute</h1> <table border="1">

<tr>
<th>Student</th>
<th>Fees Amount</th>
<th>Course</th>
</tr>
<tr>
<td>Manish</td>
<td>700</td>
<td rowspan="2">Java</td>
</tr> <tr>
<td>Puneet</td> <td>800</td>
</tr>
</table>

</body>

</html>

 

Rowspan Tag output

TD Rowspan attribute

2] HTML <td> Colspan Attribute.


Question :-


1] What is the colspan tag in HTML ?
2] What is colspan and rowspan ? 

Information :-

The colspan attribute HTML specifies the number of  columns and cell should span.  colspan allows to the single table cell  span the width of more than one cell ,column. It's provides the same functionality as merge cell in  spreadsheet program like Excel.

 

Example

<html>
<body>
<h1>Example of TD colspan attribute</h1> <table border="1">
<tr> <th colspan="2">Student Fees detail</th></tr>
<tr>
<th>Student</th>
<th>Fees Amount</th>
</tr>
<tr>
<td>Manish</td>
<td>1000</td>
</tr>
<tr>
<td>Puneet</td>
<td>2000</td>
</tr>
<tr> <td colspan="2">Total: 3000</td>
</tr>
</table>
</body>
</html>


Colspan Tag output

TD colspan Attribute


2) Example

<! Doctype html>
<html>
<body>
<table bgcolor="yellow" height="300" width="500" Border="2" Bordercolor="red"> 

<caption> Use of Verticle Alignment Attribute of Table</caption> 
<tr>

<td valign="Top">Top Align content
</td>


<td valign="Center">Center Align content
</td>

 <td valign="Bottom">Bottom Align content
</td> 

</tr>
</table>
</body>
</html

Question :- 

1]  How to align text in top HTML?
2] How to align text in center HTML?
3] How to align text in Bottom HTML?


Alignment OUTPUT




Verticle Alignment Tag




Related Post


html table program
css border bottom property
html tag Attributes
html Tag attributes
meta attribute html


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