问题描述
此代码将一直起作用,直到active_observers中包含三个元素,我做错了吗?`
var active_observers = {};
var observer = new MutationObserver((mutations) => {
if (mutations[0].attributeName === 'class') {
active_observers[user_name].speak_counter += 1;
var name_positive =`speaking:${user_name}\t` +
active_observers[user_name].positive_marks;
console.log(name_positive)
// Sending a message to display the speaker's name in the popup,message includes a trailing space
chrome.runtime.sendMessage({ todo: name_positive,speakerId: user_name });
}
});
observer.observe(user_mic,{ attributes: true });
active_observers[user_name] = {
"user_name": user_name,"speak_counter": 0,"user_observer": observer,"positive_marks": 0
};
解决方法
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