How do I send an AJAX request using JavaScript?

There are various ways to make AJAX calls in JavaScript, such as XMLHttpRequest, Fetch API, jQuery, Axios, and SuperAgent. The XMLHttpRequest() method is the oldest and most popular way to send AJAX requests to a server in JavaScript. The Fetch API is a new, more flexible, and easier way to make asynchronous HTTP requests to a server and is based on promises. jQuery is a client-side programming library that provides post(), get(), and ajax() methods that make it easy to send AJAX calls from JavaScript. The Axios is a promise-based HTTP client that works in both the browser and Node.js environments. The SuperAgent is another lightweight and user-friendly AJAX library mainly focused on readability and flexibility. In this JavaScript AJAX Request Example, we use the XMLHttpRequest() method to send asynchronous HTTP requests to the ReqBin echo URL. Click Execute to run JavaScript AJAX Request Example online and see the result.
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