//Для начала установите модуль request
//npm i request --save
/**
 * make get request through proxy
 * @param {string} url -   uri of resource
 * @param {object[]} proxyList - array of proxies
 * @param {string} proxyType='http' - type of proxy
 * @param {function} cb - callback
 */
const testProxy = (url, proxyList, proxyType, cb) => {
    if(!(proxyList instanceof Array) && !(cb instanceof Function) && !url){
        throw new Error('testProxy() arguments not set');
    }
    proxyType = proxyType || 'http';

    const proxyIndex = parseInt(Math.random() * (proxyList.length - 1));
    const proxy = proxyList[proxyIndex];
    const proxyUrl = `${proxyType}://${proxy.ipAddress}:${proxy.port}`;
    
    const anyParam = {method : 'GET', proxy : proxyUrl, strictSSL: false};
    
    request(url, anyParam, (error, response, body) => {
        if(error){
            cb(error);
        } else {
            cb(null, response, body);
        }
    });
};