问题如图 有谁知道为什么吗?我的代码这样写的: ChatMessage = (item) => {
const { navigate } = this.props.navigation;
item['chattype'] = 'Friends'
navigate('ChatMessage', item);
}Unhandled JS Exception: TypeError: One of the sources for assign has an enumerable key on the prototype chain. Are you trying to assign a prototype property? We don't allow it, as this is an edge case that we do not support. This error is a performance optimization and not spec compliant.
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