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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