Example RingoJS code for making multiple asynchronous HTTP requests and waiting for all to complete

httpclient-async-wait.js

var {request} = require("ringo/httpclient");

var urls = [
    "http://www.henso.com/",
    "http://www.ringojs.org/wiki/",
    "http://github.com/"
];

var responses = urls.map(function(url) {
    return request({
        url: url, async: true
    });
});

for each (var response in responses) {
    response.wait();
}