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HTML Tables

Updated on 13/08/2024446 Views
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HTML is a basic skill to have in the field of web development. It is a skill definitely needed if you want to work in the web development sector. Questions from HTML tables are a staple in an interview for asking questions. It tests your foundation in web development.

In this tutorial, I will share with you how to build HTML tables.

An HTML table is a structure that organizes and displays data in rows and columns on a web page. It is defined in HTML with the element.

HTML Table Format

Here, let me share with you the code for HTML table as an example to give you an idea about the HTML table structure.

HTML table format

Code:

<!DOCTYPE html>

<html>

<head>

<title> HTML Tables </title>

</head>

<body>

<table border = "4">

<tr>

<td> Fruits </td>

<td> Color </td>

</tr>

<tr>

<td> Apple </td>

<td> Red </td>

</tr>

<tr>

<td> Banana </td>

<td>Yellow</td>

</tr>

</table>

</body>

</html>

Here, you can see what kind of output we get from using the HTML table tag. Let us dissect each element.

As you can see, we have used table border as 4. This border is thicker than the corresponding lines making up the table. Here, the <tr> tag is used to create the table rows. The <td> tag is used to create the individual cells.

HTML Table Header

Now, let me teach you how to use a table header to assign an HTML table title. Let me explain with the help of an example. Make your own HTML table examples for practice with a different header.

.HTML table header example

Code:

<!DOCTYPE html>

<html>

<head>

<title>HTML Table Header</title>

</head>

<body>

<table border = "3">

<tr>

<th>Item</th>

<th>Price</th>

</tr>

<tr>

<td>Lays</td>

<td>10</td>

</tr>

<tr>

<td>Kurkure</td>

<td>10</td>

</tr>

<tr>

<td>Pringles</td>

<td>150</td>

</tr>

</table>

</body>

</html>

The <th> tag is used in HTML for defining table headers. The <td> tag is replaced with <th> in this case for headers. Here, the table border thickness is mentioned as 3. If the borders are not needed, you can use border=”0”.

Rowspan and Colspan

This is generally done with the attributes colspan and rowspan functions. Tables with uneven rows and columns have specific use cases but this concept will help you visualize exactly how the changes in the code are affecting your HTML tables. Let us take a look at an example.

Colspand and Rowspan attributes in HTML tables

Code:

<!DOCTYPE html>

<html>

<head>

<title>Uneven HTML Table </title>

</head>

<body>

<table border = "1">

<tr>

<th>Col 1</th>

<th>Col 2</th>

<th>Col 3</th>

</tr>

<tr>

<td rowspan = "2">Row 1 Cell 1</td>

<td>Row 1 Cell 2</td>

<td>Row 1 Cell 3</td>

</tr>

<tr>

<td>Row 2 Cell 2</td>

<td>Row 2 Cell 3</td>

</tr>

<tr>

<td colspan = "2">Row 3 Cell 1</td>

<td colspan = "1">Row 3 Cell 2</td>

</tr>

</table>

</body>

</html>

Colspan and rowspan are basic HTML table attributes merge the desired number of cells together. As we can see from the above example, we have assigned rowspan=”2” for Row1, Cell 1 meaning it will now span across 2 cells vertically. Similarly, Row 3 Cell 1 has the attribute colspan=”2” meaning this cell will span across 2 cells horizontally.

Background Color and Border Color

To make the tables more inviting and attractive, we use attributes like bordercolor and bgcolor to change the HTML table border color and background color respectively. Let us look at an example now to understand HTML table styles.

background color and border color example

Code:

<!DOCTYPE html>

<html>

<head>

<title>HTML Table Background</title>

</head>

<body>

<table border = "1" bordercolor = "red" bgcolor = "lightblue">

<tr>

<th>Column 1</th>

<th>Column 2</th>

<th>Column 3</th>

</tr>

<tr>

<td rowspan = "2">Row 1 Cell 1</td>

<td>Row 1 Cell 2</td>

<td>Row 1 Cell 3</td>

</tr>

<tr>

<td>Row 2 Cell 2</td>

<td>Row 2 Cell 3</td>

</tr>

<tr>

<td colspan = "3">Row 3 Cell 1</td>

</tr>

</table>

</body>

</html>

Here in this example, the value of bordercolor and bgcolor has been changed to red and lightblue respectively resulting in the change in colour.

Footer

Just like the header goes on the top of the table, the footer goes at the bottom of the table. Let us understand it with the help of an example.

Footer in HTML

Code:

<!DOCTYPE html>

<html>

<head>

<title>HTML Table</title>

</head>

<body>

<table border = "1" width = "100%">

<thead>

<tr>

<td colspan = "4">This is the head of the table</td>

</tr>

</thead>

<tfoot>

<tr>

<td colspan = "4" bgcolor="yellow">This is the footer of the table</td>

</tr>

</tfoot>


<tbody>

<tr>

<td>Cell 1</td>

<td>Cell 2</td>

<td>Cell 3</td>

<td>Cell 4</td>

</tr>

</tbody>

<tbody>

<tr>

<td>Cell 5</td>

<td>Cell 6</td>

<td>Cell 7</td>

<td>Cell 8</td>

</tr>

</tbody>

</table>

</body>

</html>

As you can see, we have used the <tfoot> tag to define the footer for the table with the value “This is the footer of the table”. It spans across 4 cells because of the colspan attribute and is yellow because of the bgcolor attribute.

Nested Table

In HTML, nested tables means inserting a table inside another table. This technique can be used to design more complicated tables or to organize data at different levels. Let us look at an example of how to create nested tables in HTML.

Nested table

Code:

<!DOCTYPE html>

<html>

<head>

<title>HTML Table</title>

</head>

<body>

<table border = "2" width = "100%">

<tr>

<td>

<table border = "2" width = "100%">

<tr>

<th> Name </th>

<th> Marks </th>

</tr>

<tr>

<td> Mukesh Raman </td>

<td> 87 </td>

</tr>

<tr>

<td> Aziz Md </td>

<td> 70 </td>

</tr>

<tr>

<td> Mumtaz Khan </td>

<td> 75 </td>

</tr>

</table>

</td>

</tr>

</table>

</body>

</html>

How to Include a Caption in HTML Tables

Captions help convey what the table is showing. It is basically a name card for the HTML tables. Let’s see how to include a caption in HTML tables with the help of an example.

Caption in HTML tables

Code:

<table border="1">

<caption>Final Term Marksheet for Rahul</caption>

<tr>

<th> Subjects </th>

<th> Marks </th>

<th> Result </th>

</tr>

<tr>

<td> Physics </td>

<td> 75 </td>

<td> Pass </td>

</tr>

<tr>

<td> Computer Science </td>

<td> 92 </td>

<td> Pass </td>

</tr>

<tr>

<td> English Literature </td>

<td> 29 </td>

<td> Fail </td>

</tr>

</table>

As we can see, the <caption> tag is used to specify the caption Final Term Marksheet for Rahul.

Altering Table Height and Width

The width and height characteristics can be used to specify a table's dimensions. We can define table width and height in pixels or as a percentage of the available screen area. Let me show with the help of an example.

variable HTML table height and width

Code:

<!DOCTYPE html>

<html>

<head>

<title>HTML Table Width/Height</title>

</head>

<body>

<table border = "2" width = "350" height = "135">

<tr>

<td>Row 1, Cell 1</td>

<td>Row 1, Cell 2</td>

</tr>

<tr>

<td>Row 2, Cell 1</td>

<td>Row 2, Cell 2</td>

</tr>

</table>

</body>

</html>

As you can see from the above example, the width and height attributes are used to alter the dimensions of the table. Here, the width and height attributes are set as 350 and 135 units respectively.

Functionality

In this section, I am going to explain when to use tables in your HTML-based web page or web application.

Comparisons

Tables are a fantastic way to compare data. Say you want to compare the prices of two items ramen and noodles with respect to their prices of 500 and 95. A table gives you a visual representation of the data and makes it easier to compare.

Overview of Data

Tables can also be used when we want to showcase a complete overview of data regarding something specific. For example, tables are a great way to showcase marks obtained by a student in a test in different subjects. If you have noticed, tables are also popularly used to show rankings in a tournament.

Large Data Collections

When there is a large list of data and corresponding value pairs, tables work as a godsend. It makes it a lot easier to correlate data and find out information you are looking for in a shorter amount of time.

Conclusion

In short, HTML tables continue to be a useful tool for organizing and presenting structured data on web pages, despite the introduction of improved CSS layout techniques. This tutorial has covered all the basics of HTML tables to give you a clear idea about the concept.

However, doing certified online or offline courses can help a lot with your concepts and help your CV at the same time. I would recommend checking out courses from upGrad. Their courses are in collaboration with some of the best universities around the world. The courses are curated by some of the best professors in this field.

Frequently Asked Questions

  1. What is a table in HTML?

A table in HTML showcases data in rows and columns. Tables are usually used to present structured data such as timetables, charts, and tabular data.

  1. Why use HTML tables?

HTML tables arrange and display structured data in a tabular fashion on web pages and web apps. HTML tables are useful tools for efficiently organizing and presenting data on web pages.

  1. What is the HTML table used for?

HTML tables are used to organize and display structured data in rows and columns on websites. They are widely utilized in a variety of scenarios, including displaying financial data, product comparisons, schedules, and charts.

  1. How many types of tables are there in HTML?

There is only one type of table in HTML. CSS allows you to style and structure tables in a variety of ways, such as building responsive tables, data tables, and visually appealing layouts.

  1. What is the HTML table format?

To create a HTML table, use the element. Rows are represented by elements, and cells inside each row are represented by <td> or <th> elements.

  1. How to create HTML tables?

To create a table, start by using the <table> tag. Then define rows and particular cells with <tr> and <td> respectively. Then close the element with the </table> tag.

  1. What is HTML table size?

An HTML table's size refers to its dimensions, which are normally determined by the content it includes and CSS styling. Tables can be made flexible and responsive to fit different screen sizes, but their size is mostly determined by the amount of content.

  1. How to insert tables in HTML?

When we insert a table in HTML, we use the <table> tag.

Rohan Vats

Rohan Vats

Software Engineering Manager @ upGrad. Assionate about building large scale web apps with delightful experiences. In pursuit of transforming engi…Read More

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