我试图将对象从我的background.js发送到contentscript.js。实现这些功能的功能如下:
// contentscript.js
chrome.extension.sendMessage({ message: 'getdata' }, function(response) {
console.log(response.data); // Object {}
console.log(response.data.property); // ERROR (see below)
});
--
// background.js
var data = { property: 'test' };
chrome.runtime.onMessage.addListener(
function(request, sender, sendResponse) {
if (request.message === 'getdata') {
sendResponse({ data: data });
}
}
);
--
The error:
Error in event handler for (unknown): Cannot read property 'property' of undefined
Stack trace: TypeError: Cannot read property 'property' of undefined
at chrome-extension://neneohfdjobjkpbdmapenhmpmofmnmpo/scripts/contentscript.js:99:70
at messageListener (extensions::messaging:343:9)
at Function.target.(anonymous function) (extensions::SafeBuiltins:19:14)
at EventImpl.dispatchToListener (extensions::event_bindings:397:22)
at Function.target.(anonymous function) (extensions::SafeBuiltins:19:14)
at Event.$Array.forEach.publicClass.(anonymous function) [as dispatchToListener] (extensions::utils:93:26)
at EventImpl.dispatch_ (extensions::event_bindings:379:35)
at EventImpl.dispatch (extensions::event_bindings:403:17)
at Function.target.(anonymous function) (extensions::SafeBuiltins:19:14)
at Event.$Array.forEach.publicClass.(anonymous function) [as dispatch] (extensions::utils:93:26)
希望有人可以帮助我,谢谢!
您将已弃用的chrome.extension.sendMessage
和混合在一起chrome.runtime.onMessage
。这导致各种有趣的东西。
解决方案:忘记chrome.extension.sendMessage
/chrome.extension.sendRequest
和存在相应的事件。
切换到 chrome.runtime.sendMessage
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我来说两句