Live Demo: JavaScript Ajax GET Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JavaScript Ajax GET Demo</title>
<script>
function displayFullName() {
    // Creating the XMLHttpRequest object
    let request = new XMLHttpRequest();

// Instantiating the request object
    request.open("GET", "/examples/php/greet.php?fname=John&lname=Clark");

// Defining event listener for readystatechange event
    request.onreadystatechange = function() {
        // Check if the request is compete and was successful
        if(this.readyState === 4 && this.status === 200) {
            // Inserting the response from server into an HTML element
            document.getElementById("result").innerHTML = this.responseText;
        }
    };

// Sending the request to the server
    request.send();
}
</script>
</head>
<body>
    <div id="result">
        <p>Content of the result DIV box will be replaced by the server response</p>
    </div>
    <button type="button" onclick="displayFullName()">Display Full Name</button>
</body>
</html>