Adding a New Row to a Table Using JavaScript

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Summary: Learn how to dynamically add rows to an HTML table using JavaScript, with step-by-step examples and explanations of the code.
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HTML tables are a fundamental part of web development, often used to organize and display data. There are scenarios where you might need to add new rows to a table dynamically, such as when dealing with user-generated content or real-time data updates. In this guide, we'll explore how to achieve this using JavaScript.

The HTML Structure

Let's start with a basic HTML table structure. We'll use this as a foundation to dynamically add rows.

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Adding a New Row Dynamically

We'll use JavaScript to add a new row to the table. To achieve this, follow these steps:

Create a new row:

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Insert cells into the new row:

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Populate the cells with data:

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Putting it all together, the JavaScript code looks like this:

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This script creates a new row in the table, inserts two cells, and fills them with the specified data.

Handling User Input

In real-world scenarios, you might want to add rows based on user input. Let's enhance our example to include a button that, when clicked, adds a new row with user-provided data.

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This modification introduces an addRow function that reads input values from fields with specified IDs and adds a new row with the provided data when the button is clicked.

Conclusion

Dynamically adding rows to an HTML table using JavaScript is a powerful way to handle dynamic content. Whether you're dealing with user inputs or real-time data updates, understanding how to manipulate tables with JavaScript opens up a range of possibilities for creating dynamic and interactive web pages.

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