diagnostics_channel.unsubscribe(name, onMessage)

• name <string> | <symbol> 通道名称

  ¥name <string> | <symbol> The channel name

• onMessage <Function> 要删除的先前订阅的处理程序

  ¥onMessage <Function> The previous subscribed handler to remove

• 返回：<boolean> 如果找到处理程序则为 true，否则为 false。

  ¥Returns: <boolean> true if the handler was found, false otherwise.

删除以前使用 diagnostics_channel.subscribe(name, onMessage) 注册到此通道的消息处理程序。

¥Remove a message handler previously registered to this channel with diagnostics_channel.subscribe(name, onMessage).

import diagnostics_channel from 'diagnostics_channel';

function onMessage(message, name) {
  // Received data
}

diagnostics_channel.subscribe('my-channel', onMessage);

diagnostics_channel.unsubscribe('my-channel', onMessage);const diagnostics_channel = require('diagnostics_channel');

function onMessage(message, name) {
  // Received data
}

diagnostics_channel.subscribe('my-channel', onMessage);

diagnostics_channel.unsubscribe('my-channel', onMessage);拷贝