Javascript HTTP POST request with Promise

promise.js

//creating promise
// more on https://medium.com/javascript-scene/master-the-javascript-interview-what-is-a-promise-27fc71e77261
function exampleFunc(value) {
    return new Promise((resolve, reject) => {
        http.get(option, (res) => {
            let body = '';
            res.on('data', (d) => {
                body += d;
            }); // store each response chunk
            res.on('end', () => {
                // After all the data has been received parse the JSON for desired data
                let response = JSON.parse(body);
                resolve(response);
            });
            res.on('error', (error) => {
                reject(error);
            });
        });
    });
}

// using promise
var random = exampleFun(value).then((value1) => {
            return value1;
        });