JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.7/angular.min.js"></script>
<div ng-app="app" ng-controller="Controller as vm">
    <input type="text" ng-model="vm.ip" id="ip" />
    <button id="getIP">Get IP</button>
    <br />
    <p>TEST: {{vm.ip}}</p>
</div>

JavaScript

var app = angular.module('app', []);
app.controller('Controller', function() {
    this.ip = "";

    $("#getIP").on("click", () => {
        $.get("https://api.ipify.org/?format=json", (response) => {
            this.ip = response.ip;
        });
    });
});