CODE EXAMPLE FOR JAVASCRIPT

how to get xhr response in javascript

window.onload = function(){
    var request = new XMLHttpRequest();

    request.onreadystatechange = function() {
        if (this.readyState == 4 && this.status == 200) {
            console.log(this.responseText);
        }
    };

    request.open('GET', 'https://restcountries.com/v2/all
');
    request.send();
}
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