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HTML

              
                <div class="getCity">
  <form action="#">
    <label for="city">City</label>
    <input id="city" name="city" placeholder="toronto" autofocus>
    <button type="submit" id="submit">Go</button>
  </form>
  <a href="#" id="question">How do you know where I am?</a>
  <div id="answer">
    Rather that getting your actual location, I check your IP address against a database called IPInfoDB to get an approximate location. Close enough for the weather, and gets me around some security issues in Chrome.
  </div>
  <div class="container">
    <h3><div class="city">Loading</div></h3>
    <h2>Current Conditions</h2>
    <div class="temp-container"><div class="temperature">  </div><button class="toggle-temp">to °F</button></div>
  <div class="description"></div>


  <i class=""></i>
</div>

  <div class="credit">Coded by <a href="http://lukewalker.org">Luke Walker</a> with content from <a href="http://openweathermap.org">OpenWeatherMap</a> and <a href="https://erikflowers.github.io/weather-icons/">Weather Icons</a>.</div.
              
            
!

CSS

              
                body {
  font-family: sans-serif;
  width: 100%;
  text-align: center;
  background: silver;
  position: relative;
  display: block;
  color: black;
}

.night {
  background: #036;
  color: white;
}

.night a {
  color: white;
}

.day {
  background: #7ec0ee;
  color: black;
}

.day a {
  color: black;
}

.getCity {
  margin-top: 20px;
}

.toggle-temp {
  display: block;
  position: fixed;
  top: 10px;
  right: 10px;
  background: darkgray;
  border: none;
  height: 40px;
  width: 60px;
  vertical-align: bottom;
  border-radius: 5px;
  border: 1px solid white;
  font-size: 20px;
}

.toggle-temp:hover {
  background: white;
}
.container {
  width: 100%;
  margin: auto;
  height: auto;
  display: block;
  position: fixed;
  text-align: center;
  top: 25%;
}

h2 {
  font-size: 125%;  
  margin-top: 50px;
}


h3 {
  font-size: 250%;
  font-weight: 900;
  margin-bottom: 20px;
}

.temperature {
  font-size: 40px;
  display: inline-block;
}

i {
  margin-top: 40px;
  font-size: 120px;
}

.credit {
  font-size: 75%;
  position: fixed;
  bottom: 20px;
  width: 100%;
  text-align: center;
}

#submit {
  background: silver;
  border-radius: 5px;
  border: none;
}

#submit:hover {
  background: darkgray;
}

label {
  font-size: 75%;
  margin-right: 10px;
}

#city {
  border: none;
  background: lightgray;
}

#question {
  font-size: 75%;
  color: black;
}

#answer {
  background: black;
  color: silver;
  width: 300px;
  line-height: 1.25;
  margin: 20px auto;
  padding: 20px;
  border-radius: 10px;
  display: none;
}

              
            
!

JS

              
                $(document).ready(function() {
  getLocation();
  $(".toggle-temp").click(toggleTemp);
 });

function getLocation() {
  $.get('http://jsonip.com/', function(r){ 
    console.log(r.ip);
    $.ajax({
      type: 'post',
      method: 'get',
      url: 'http://api.ipinfodb.com/v3/ip-city/?key=caa0e3fde9c0e9da4e111f9dfd3723e5858ab8792abd02d5383f78a31b5f20c6&ip=' + r.ip + '&format=json&callback=?',
      success: unpackPosition,
      dataType: "json"
    });
  });
} 

function unpackPosition(position){
  console.log(position);
  var lat = position.latitude;
  var lon = position.longitude;
  getWeather(lon, lat, displayWeather);
}

 function getWeather(lon, lat, callback) {
  var url = 'http://api.openweathermap.org/data/2.5/weather';
  $.ajax({
    dataType: "jsonp",
    url: url,
    jsonCallback: 'jsonp',
    data: { lon: lon, lat: lat, "APPID": "cd6671e390cfd42a4dac42c4c1131fbc" },
    cache: false,
    success: function (data) {
        callback(data);
    }
  });
}

function getCityWeather(city, callback) {
   var url = 'http://api.openweathermap.org/data/2.5/weather'
   $.ajax({
     dataType: "json",
     url: url,
     data: {q: city, "APPID": "cd6671e390cfd42a4dac42c4c1131fbc"},
     cache: false,
     success: function(data) {
       callback(data)
     }
   })
}

function displayWeather(data) { 
  var dayNight = dayOrNight(data);
  $('.city').text(data.name);
  $('.description').text(data.weather[0].description);
  var temp = data.main.temp;  
  setTemperature(temp);
  var iconCode = "wi wi-owm-" + dayNight + "-" + data.weather[0].id;
  $('i').addClass(iconCode);
}

function dayOrNight(data) {
  var dayNight;
  var time = data.dt;
  var dayNight;
  if (time < data.sys.sunrise) {
    dayNight = "night";
    $('body').addClass('night').removeClass('day');
  } else if (time > data.sys.sunset) {
    dayNight = "night";
    $('body').addClass('night').removeClass('day');
  } else {
    dayNight = "day";
    $('body').removeClass('night').addClass('day');
  }
  return dayNight;
}
  
function setTemperature(temp) {
  var tempC = Math.round(temp - 273.15);
  $('.temperature').text(tempC + "°C");
}

function toggleTemp(event){
  currButton = $(event.target).text();
  currDisplay = $('.temperature').text();
  currNum = currDisplay.substring(0, currDisplay.length-2);
  if (currButton === "to °F"){
    var tempF = Math.round(Number(currNum) * 1.8 + 32);
    $('.temperature').text(tempF + "°F");
    $(event.target).text("to °C");
  } else {
    var tempC = Math.round((Number(currNum)-32)/1.8);
    $(event.target).text("to °F");
    $('.temperature').text(tempC + "°C");
  }
}

$("#submit").click(function(event) {
  city = $("#city").val();
  getCityWeather(city, displayWeather);
})

$(function() {
  $("form input").keypress(function (e) {
    if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
       e.preventDefault();
       city = $("#city").val();
       getCityWeather(city, displayWeather);
    }
  });
});

$('#question').click(function(event){
  $('#answer').toggle();
})
              
            
!
999px

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