JSFiddle - React, Tailwind, and code Playground
HTML
<g:plus action="share" href="http://www.example.com" onstartinteraction="start_interaction" onendinteraction="end_interaction"></g:plus>
<script src="https://apis.google.com/js/platform.js" async defer></script>JavaScript
window.start_interaction = function(param){
alert(param);
console.log(param);
};
window.end_interaction = function(param){
alert(param);
console.log(param);
};