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Discover how to fetch and store Bitcoin prices from Binance API into an array at 3-second intervals using JavaScript.
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How to Store console.log Results in an Array Every 3 Seconds Using JavaScript

Are you trying to retrieve the price of Bitcoin from the Binance API and store it in an array every few seconds? If so, you've come to the right place! In this guide, we will guide you through retrieving the Bitcoin price at regular intervals and saving those results for further analysis.

Understanding the Problem

You want to get the current price of Bitcoin consistently without having to refresh the page manually every time. This would enable you to gather real-time data seamlessly. The solution involves making API calls at specific intervals and organizing the results in an array.

The Solution

To solve this problem, we can utilize JavaScript’s setInterval function to periodically call the API and push the results into an array. Here’s how you can do it step by step.

Step 1: Setting Up the Variables

First, we will define an empty array that will store our price results and set a variable for the interval time. For this example, we’ll fetch the data every 3 seconds.

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Step 2: Creating the Fetch Function

Next, we will write a function called fetchCoinPrice. This function will request the current Bitcoin price using the Fetch API and then push that price into our previously defined array.

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Step 3: Setting Up the Interval

To ensure that we call our fetchCoinPrice function every 3 seconds, we use the setInterval method. This will allow us to instantiate repeated API calls as shown below:

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Complete Code Example

Here’s what the complete code looks like when you combine all the pieces together:

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

Conclusion

With just a few lines of JavaScript, you can easily automate the process of fetching Bitcoin prices every few seconds and store them in an array for future use. This makes it easier to analyze trends or feed the data into another application for more extensive functionality.

Now you have the tools you need to gather your financial data seamlessly! Happy coding!