The attack is trivial. An attacker visits your website, views the page source, and copies your AIza... key from the Maps embed. Then they run:
// Synchronously enqueue — this never applies backpressure
，详情可参考Line官方版本下载
（一）有自己的名称、住所和章程；
НХЛ — регулярный чемпионат
The Technical Footnote: Why the spoof() Function is Different in V3