How to Display Multiple Graphs with the Same Code in JavaScript

Learn how to efficiently render multiple graphs using JavaScript. We provide solutions to ensure both graphs display simultaneously without conflicts.
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How to Display Multiple Graphs with the Same Code in JavaScript

When working with data visualization in web development, you may often need to display multiple graphs on the same page. If you find that only one graph appears when you're expecting two, this can lead to confusion and frustration. In this guide, we’ll help you troubleshoot this issue and provide solutions to successfully render multiple graphs using the same coding structure.

Understanding the Problem

Fetching Data: Using $.getJSON to retrieve JSON data from your files.

Defining Data Points: Looping through the data to push points for your graphs.

However, you encounter an issue: only one graph is displayed. This often occurs when both graphs use the same function name or context, leading to conflicts in rendering.

Solution: Key Adjustments to Make

To resolve the issue and ensure both graphs are displayed, you have a couple of options. We’ll outline both methods below:

Option 1: Use Different Function Names

Changing the function names for each $.getJSON call can prevent conflicts. Here’s how you can do it:

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

In this approach, we've defined addData1 and addData2 as separate functions so they handle data independently.

Option 2: Inline Function Definitions

Alternatively, you can define each function inline when calling $.getJSON. This also separates the contexts effectively. Here’s how:

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

This approach eliminates the function naming conflict by providing separate inline functions for each dataset fetch.

Conclusion

Displaying multiple graphs using the same code is indeed feasible with simple adjustments. Whether you choose to use distinct function names or define functions inline, the key is to ensure that each graph's data retrieval and rendering process are independent of each other. With these techniques in mind, you can efficiently showcase multiple datasets visually, enhancing the interactivity of your web application.

Take some time to implement these solutions, and you'll find that rendering multiple graphs becomes a smooth and straightforward process!