优化websocke接收消息tbug

liusuyi

2024-07-25 73f48531b40f1d9febf7ca8cd6dc971e055fa853

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var userAgent = require('../internals/engine-user-agent');
 
var firefox = userAgent.match(/firefox\/(\d+)/i);
 
module.exports = !!firefox && +firefox[1];