Запустите это в консоли JavaScript вашего браузера:
// Code to be run at Legacy Google Voice // Run at: https://www.google.com/voice/b/0#history // https://www.google.com/voice/b/0#spam // https://www.google.com/voice/b/0#trash function sleep(ms) { // courtesy: https://stackoverflow.com/a/39914235/1429450 return new Promise(resolve => setTimeout(resolve, ms)); } async function deleteMessages() { do { // Get message IDs. var msgs = document.getElementsByClassName("gc-message"), msgids = []; itemcount = msgs.length; for (var i = 0; i < itemcount; ++i) { msgids.push(msgs[i].id); }; // Construct form. courtesy: https://developer.mozilla.org/en-US/docs/Web/API/FormData/Using_FormData_Objects#Creating_a_FormData_object_from_scratch try { var formData = new FormData(); for (var i in msgids) { formData.append("messages", msgids[i]); } formData.append("_rnr_se", _gcData["_rnr_se"]); var request = new XMLHttpRequest(); request.open("POST", "https://www.google.com/voice/b/0/inbox/deleteForeverMessages/"); request.send(formData); } catch (a) { return; } await sleep(1000); try { document.getElementById("gc-inbox-next").click(); } catch (b) { try { document.getElementById("gc-inbox-prev").click(); } catch (c) { continue; } } await sleep(1000); } while (itemcount != 0); } deleteMessages();