兴趣点

aijinhui

2024-02-28 7019f217c9b986a465a8f3f82d0df8d9a9c3d6e1

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