'use strict'; const hostsInput = document.querySelector("#hosts"); const codeInput = document.querySelector("#code"); const defaultHosts = "*://*.org/*"; const defaultCode = "document.body.innerHTML = '

This page has been eaten

'"; hostsInput.value = defaultHosts; codeInput.value = defaultCode; async function registerScript() { let background = await browser.runtime.getBackgroundPage(); background.register(hostsInput.value.split(","), codeInput.value) } document.querySelector("#register").addEventListener('click', registerScript);