Get public IP address (or wan IP address) using fetch JavaScript function (not supported in IE)

publicip.js

function getPublicIP() {
  fetch('http://httpbin.org/ip')
    .then(response => response.json())
    .then(data => {
      // do what you want to do with the IP address
      // ... eg. log it to the console
      console.log(data.origin);
    });
}
    
getPublicIP()