How to Dynamically Change Price Based on Select Options in HTML Using JavaScript

Learn how to use JavaScript to dynamically update the price displayed on your webpage when a user selects different options from a dropdown menu.
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How to Dynamically Change Price Based on Select Options in HTML Using JavaScript

Have you ever wanted to create an interactive web experience where the displayed price changes based on user selections? This guide will guide you through a simple example of how to achieve this using HTML and JavaScript. We will cover the entire process, from creating a dropdown menu to dynamically updating the price based on the selected option.

The Problem Statement

Imagine you're working on a website to sell digital beats. You have a dropdown selection to choose different licenses for your beats, and you want to display the corresponding price based on the user's selection. The challenge here is to change the text content of the price element when an option is selected from the dropdown menu.

HTML Structure

Here's a brief look at the HTML structure we’ll be working with:

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

The Solution

To accomplish the task of dynamically changing the price, we will use JavaScript. Here's how you can do it step by step.

Step 1: Prepare Your HTML

Set up your HTML structure as shown above. Ensure that you assign an id to both the select dropdown and the price heading for easy reference in JavaScript.

Step 2: Define Prices in JavaScript

Next, we’ll need to create an object to store the prices associated with each license type. The following JavaScript code will do just that:

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

Step 3: Add an Event Listener

We'll add an event listener to the select dropdown that will listen for changes. Whenever a user selects an option, the corresponding price will update automatically.

Here’s the complete JavaScript code:

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

Full Example Code

Here’s how the complete code looks when combined:

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

Conclusion

By following these steps, you can create an interactive dropdown menu that dynamically changes the displayed price based on the user's selection. This method is not only simple but also adds a layer of interactivity to your website, enhancing the user experience.

Feel free to expand upon this basic functionality by adding more options, styling with CSS, or even adding animations. Happy coding!