asynchronous api request(Chapter two): Classic Stone-aged Javascript XMLHttpRequest , this time with arrow syntax

ajax_classic_request_with_arrows.js

/**
 * Cristian Buitrago´s Weather API
 * Second Iteration
 * Sample with XMLHttpRequest classic's with callbacks, this time with arrow syntax
 * Execute with any web browser
 * method: GET
 * Architectural Style: Callback
 * Calls openweathermap's API(openweathermap.com/current for info)
 */


get_weather_data = (url, success , fail) => {
    let httpRequest = new XMLHttpRequest();
    httpRequest.open('GET', url);
    httpRequest.onload = () => {
        if(httpRequest.status === 200){
            success(httpRequest.responseText)
        }else{
            fail(httpRequest.status)
        }
    }

    httpRequest.send();
}



success = (response) => {
    const dataObj = JSON.parse(response);
    console.log(dataObj.main.temp)
}

fail = (status) => console.log(status);

const apiKey = 'your_weather_map_api_key';
const url = `https://api.openweathermap.org/data/2.5/weather?id=3688685&APPID=${apiKey}`;
get_weather_data(url , success, fail);