Скачать или смотреть Using JavaScript to Display JSON API Data Instead of PHP Curl

Learn how to retrieve and display JSON API data using JavaScript instead of PHP Curl for a more dynamic web experience.
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This video is based on the question https://stackoverflow.com/q/67186175/ asked by the user 'brybry44' ( https://stackoverflow.com/u/15377689/ ) and on the answer https://stackoverflow.com/a/67186618/ provided by the user 'Toxnyc' ( https://stackoverflow.com/u/8606992/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Displaying JSON API Data: Moving from PHP Curl to JavaScript

If you’re developing a web application and want to display JSON API data—like current weather information from openweathermap.org—you might be considering different approaches. You might have successfully implemented a solution using PHP and cURL, but are curious if JavaScript can achieve a similar outcome.

In this post, we will discuss how to shift from a PHP-based approach to using JavaScript to retrieve and display JSON API data effectively.

The Initial Problem

You successfully wrote a PHP script to fetch JSON data using cURL and displayed it on your HTML page, providing current weather updates for a specific city. However, now you wish to accomplish the same task using JavaScript, which could allow for a smoother user experience. You are looking for steps to:

Use PHP to get the JSON data from the API.

Write JavaScript to fetch and display that data on your HTML page.

Transitioning to JavaScript: A Step-by-Step Solution

Step 1: PHP Script to Retrieve JSON Data

First, we need a PHP script that will fetch the JSON data and return it to the client. Here’s a simple version of your existing PHP script, modified to output proper JSON.

my_api_data.php

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

Step 2: Fetching Data with JavaScript

With the PHP script ready, you now need to fetch this JSON data using JavaScript. This is where you can take advantage of modern JavaScript's fetch API, which simplifies the process of making network requests.

Here’s a sample JavaScript code snippet that accomplishes this.

JavaScript Code

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

Explanation of the JavaScript Code

Fetching Data: The fetch function requests the PHP file, which returns the JSON data.

Processing the Response: The response is converted to JSON using .json().

Generating HTML: A string of HTML is created dynamically using template literals, allowing for easy insertion of variables.

Displaying the Data: The resulting HTML is written to the page.

Error Handling: A simple error catch to log any issues in case the fetch operation fails.

Conclusion

By transitioning from PHP Curl to JavaScript, you not only modernize your application but also provide a better user experience. With JavaScript, data can be loaded asynchronously, allowing users to interact with your page without requiring full page reloads. Now you can make your web applications more dynamic and responsive!

Feel free to ask questions if you need further explanation or assistance, and happy coding!