Uncaught TypeError: Error in invocation of runtime.sendMessage(optional string extensionId, any message, optional object options, optional function callback): chrome.runtime.sendMessage() called from a webpage must specify an Extension ID (string) for its first argument. at <anonymous>:1:16
这个异常的原因sendMessage需要等待页面加载完成，应当在页面加载完成后再行调用
标签：Extension,extension,webpage,argument,sendMessage,runtime,its,string From： https://www.cnblogs.com/leoric/p/17013909.html