Merge remote-tracking branch 'origin/master'

doum

2025-08-22 391c0cfc4ba595ef26c7a2315c555d8c75afec7d

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