Functionality to allow developers to monitor messages before being displayed. 追蹤 ChrisFH 2019年04月23日 01:23 編輯於 Functionality such as this could have numerous benefits such as preventing users from posting blacklisted words or urls or even just conditions that are set by the programmer. To also uphold the previously implemented functionality of preventing message editing the message could be in a read only format. An example of this implementation could be a simple event handler that handles messages before being displayed 23