Update an HTML Table Cell with a Randomly Generated Number Using JavaScript

Learn how to update a specific cell in an HTML table by generating a random number using JavaScript. This easy-to-follow guide is perfect for beginners!
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Update a table cell with a randomly generated number

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Updating a Table Cell with a Randomly Generated Number Using JavaScript

Are you new to JavaScript and trying to find a way to update a specific cell in an HTML table with a randomly generated number? If so, you're in the right place! In this guide, we’ll break down how to achieve this simple functionality and help you understand what might have gone wrong in your original attempt.

The Problem: Updating the Table Cell

In your HTML table, you wanted to update the cell that originally contained a 0 to a random number generated between 0 and 9. Here’s the example HTML structure you provided:

[[See Video to Reveal this Text or Code Snippet]]

This code snippet defines a table with several rows. The fifth cell (with id updateDraw) is where we want to show the random number.

The Original Code and Its Issues

You attempted to use the following JavaScript code to update the table cell:

[[See Video to Reveal this Text or Code Snippet]]

However, you placed the function call plays() in the onload attribute of the <tbody> tag. This is the first issue. The onload event does not work on <tbody>.

The Solution: Correcting the Code

Here's how you can correct your approach to ensure the random number is generated and displayed properly when the page loads.

1. Update the HTML Table Structure

Simply remove the onload attribute from the <tbody> tag. Your updated HTML now looks like this:

[[See Video to Reveal this Text or Code Snippet]]

2. Modify the JavaScript Code

[[See Video to Reveal this Text or Code Snippet]]

3. Explanation of the Code

Conclusion

With these adjustments, your HTML table will successfully display a random number between 0 and 9 in the specified cell each time the page is loaded. Don’t be discouraged by your initial attempt; mistakes are part of the learning process!

Now you’re equipped with the knowledge to enhance your JavaScript skills further. Happy coding!