Get a JSON object from API request

httpGetJSON.js

function httpGetJSON(url) // Get JSON object from an API
{
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false); // false for synchronous request
    xhr.send( null );
    return JSON.parse(xhr.responseText);
}

// Example from https://api.github.com/
// Get current_user_url

var value = httpGetJSON("https://api.github.com/");

console.log(value.current_user_url);