What are the types of open () method used for XMLHttpRequest? code example
Example 1: xml http request
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
document.getElementById("demo").innerHTML = xhttp.responseText;
}
};
xhttp.open("GET", "filename", true);
xhttp.send();
Example 2: xmlhttprequest
XMLHttpRequest. XMLHttpRequest is a built-in browser object that allows to make HTTP requests in JavaScript. Despite of having the word “XML” in its name, it can operate on any data, not only in XML format. We can upload/download files, track progress and much more.