file142.js

const URL = "https://jsonplaceholder.typicode.com/posts";

function sendRequest(method,URL){
    return new Promise( function (resolve,reject){
        const xhr = new XMLHttpRequest();
        xhr.open(method , URL)
        xhr.onload =function(){
            if(xhr.status >=200 && xhr.status <400){
                resolve(xhr.response);
            }else{
                reject(new Error("something went wrong"));
            }
        }

        xhr.onerror = function(){
            reject(new Error("network error"));
        }

        xhr.send()

    })
    }

    sendRequest("GET",URL)
        .then(response =>{
            const data = JSON.parse(response);
            console.log(data);
            return data;
        })
        .then(data =>{
            const id = data[3].id;
            return id;
        })
        .then(id => {
            const url = `${URL}/${id}`
            return sendRequest("GET",url);
        })
        .then(newResponse =>{
            const newData = JSON.parse(newResponse);
            console.log(newData);
        })
        .catch(Error =>{
            console.error(error);
        })