let generateBtn = document.querySelector("#shortURL"); const url = new URL("https://api.minfy.xyz/minify/api/addCustom"); //api url endpoint let headers = { "Content-Type": "application/json", Accept: "application/json", }; generateBtn.addEventListener("click", () => { chrome.tabs.query({ currentWindow: true, active: true }, function (tabs) { var currentTabUrl = tabs[0].url; console.log(currentTabUrl); }); });