function tootButtonHandler() { // TODO : add content script to get the pages' HTML elements tootContent = "Now playing awesome stuff !" url = "http://localhost:5000/toot?content=" console.log(tootContent) fetch(url) .then(function (response) { return response; }) .then(function (response) { console.log("Got response : " + response); }) .catch(function (error) { console.log("Error while tooting: " + error); }) } button = document.getElementById('toot-button') button.onclick = tootButtonHandler