app.js

// create api key object and url
const apiKey = "044b61dcdbb1a7aaed647c29821d89af";
const apiUrl =
  "https://api.openweathermap.org/data/2.5/weather?units=metric&q=";

// create buttons for search box and button
const searchBox = document.querySelector(".search input");
const searchBtn = document.querySelector(".search button");
const weatherIcon = document.querySelector(".weather-icon");

// check weather function
async function checkWeather(city) {
  const response = await fetch(apiUrl + city + `&appid=${apiKey}`);

  // check for invalid area or city name
  if (response.status == 404) {
    document.querySelector(".error").style.display = "block";
    document.querySelector(".weather").style.display = "none";
  } else {
    var data = await response.json();
    console.log(data);

    // data to be presented on the app weather details container
    document.querySelector(".city").innerHTML = data.name;
    document.querySelector(".temp").innerHTML = `${Math.round(
      data.main.temp
    )}°c`;
    document.querySelector(".humidity").innerHTML = `${data.main.humidity}%`;
    document.querySelector(".wind").innerHTML = `${data.wind.speed}km/h`;

    // change image according to weather condition
    if (data.weather[0].main == "Clouds") {
      weatherIcon.src = "images/clouds.png";
    } else if (data.weather[0].main == "Clear") {
      weatherIcon.src = "images/clear.png";
    } else if (data.weather[0].main == "Drizzle") {
      weatherIcon.src = "images/drizzle.png";
    } else if (data.weather[0].main == "Mist") {
      weatherIcon.src = "images/mist.png";
    } else if (data.weather[0].main == "Snow") {
      weatherIcon.src = "images/snow.png";
    } else if (data.weather[0].main == "Rain") {
      weatherIcon.src = "images/rain.png";
    }

    document.querySelector(".weather").style.display = "block";
    document.querySelector(".error").style.display = "none";
  }
}
searchBtn.addEventListener("click", () => {
  checkWeather(searchBox.value);
});