WaitforHttpGetDemo.js

var wait = require('wait.for');
var request = require("request");

function test(){
    var resp = wait.for(request.get, "http://google.com");
    console.log('Got google.com.');
    var resp = wait.for(request.get,"http://yahoo.com");
    console.log('Got yahoo.');
}

for (var i = 1; i < 20; i += 1) {
    (function () {
        var sec = i;
        setTimeout(function() { console.log('at ' + sec + ' s.'); }, sec * 1000);
    })();
}

wait.launchFiber(test);