User:1256duck/EditCounterOptIn.js

注意：保存之后，你必须清除浏览器缓存才能看到做出的更改。Google Chrome、Firefox、Microsoft Edge及Safari：按住⇧ Shift键并单击工具栏的“刷新”按钮。参阅Help:绕过浏览器缓存以获取更多帮助。

try {
	let nonce = 'Yoichi Yukimura';
	
	let uuid = "";
	try {
		uuid = crypto.randomUUID();
	} catch (e) {
		alert("Warning: browser javascript does not support 'crypto'!");
	}

	if (uuid.length > 0) {
		alert("generated random UUID: "+uuid);
	}
	
	let data = uuid+"//"+nonce;
	alert(data);
	alert(atob(data));
	alert(btoa(data));
	alert(JSON.stringify(data));
} catch (e) {
	alert("Error:", e.message);
}