jQuery Click Event triggering only once -


for reason, can click event fire once on temperature element (id: #temp). after converts fahrenheit, doesn't convert celsius. started jquery, appreciated. source code below.

html source:

<html>   <head>     <link rel="stylesheet" href="main.css"/>     <script src="https://code.jquery.com/jquery-3.2.1.js" integrity="sha256-dzankj/6xz9si04hgrsxu/8s717jcizly3oi35eouye=" crossorigin="anonymous"></script>     <script src="main.js"></script>     <script type="text/javascript" async src="https://platform.twitter.com/widgets.js"></script>     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-bvyiisifek1dgmjrakycuhahrg32omucww7on3rydg4va+pmstsz/k68vbdejh4u" crossorigin="anonymous"/>     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"></link>   </head>    <body>     <h1>local weather code camp project</h1>     <h4>location</h4>     <p id="location"></p>     <h4>weather</h4>     <p id="weather"></p>     <img id="icon">     <h3 id="temp"></h3>     <p id="check"></p>   </body> </html>

jquery source: 

$(document).ready(function () {  navigator.geolocation.getcurrentposition(function(position) {    $.getjson('https://fcc-weather-api.glitch.me/api/current?lat=' + position.coords.latitude + '&lon=' + position.coords.longitude , function(data){      var tmpint = 0;      $("h1").html(json.stringify(data));      $("#location").html(data.name);      $("#weather").html(data.weather[0].description);      $("#icon").attr("src", data.weather[0].icon);      $("#temp").html(data.main.temp + "&#176; c");      $(document).on('click','#temp',function() {        tmpint = data.main.temp;        tmpint = tmpint * 1.8 +32;        if("#temp:contains('&#176; c')") {           $("#temp").html(tmpint + "&#176; f");           $("#check").html("contains c");        }        else if("#temp:contains('&#176; f')") {          $("#temp").html(data.main.temp + "&#176; c");          $("#check").html("contains f");        }      });    });  }); });

working codepen here.

the condition evaluating true the temp changed f.

using variable remember unit (c or f) displayed works...

    var units = 'c';      $("#temp").on("click", function() {       tmpint = data.main.temp;       tmpint = tmpint * 1.8 + 32;        if (units == 'c') {         $("#temp").html(tmpint + "&#176; f");         units = 'f';       } else if (units == 'f') {         $("#temp").html(data.main.temp + "&#176; c");         units = 'c';       }     });

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