website/themes/hugo-theme-wave/static/js/main.js

// dip service

function main() {
  var jqxhr = 
    $.ajax({
      type: "GET",
      url: "https://ip.paulbsd.com",
      headers: {
        'Access-Control-Allow-Origin': '*',
        'Accept': 'application/json',
      },
      dataType: 'json',
    }).done(function(data) {
      var dip = $('#dip');
      dip[0].text = data.ip;
    });
  return jqxhr;
}

function transformIPInfo(data) {
  if (data.hostname != '') {
    return data.ip + '/' + data.hostname; 
  }
  else {
    return data.ip;
  }
}

$(document).ready(function() {
  main();
});