Using HTTP Proxy in Node.js with request package

const request = require('request');
request({'url':'http://example.com',
        'proxy':'http://127.0.0.1:8888'}, function (error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }else{
    	if(error)
    		console.log(error);
    }
})