修改了备忘录内容

feige

2024-02-28 3b7ed32fb0d22be7d1b7e23e7101e29a5b2dfb40

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