优化流媒体

‘liusuyi’

2023-10-21 3f76a7c7ab25e2b37492073dc80bb5f0f0d8f40f

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