How Can I Make JSONP Requests with Plain JavaScript?

Using Plain JavaScript for JSONP Requests: A Step-by-Step Guide

To facilitate data exchange between domains, JSONP (JSON with Padding) emerged as a technique that allowed for cross-domain HTTP requests. While libraries like jQuery provide convenient methods for JSONP, it's possible to implement it without external dependencies using JavaScript itself.

Creating the JSONP Callback Function:

First, define a callback function to handle the JSON response. This function will be invoked when the external server returns data, and you can use it to parse and utilize the data.

Example:

function foo(data) {
    // Perform operations on the JSON data
}

Generating the JSONP Script Tag:

Next, create a

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