function emulatedIEMajorVersion()

in content/js/ie-emulation-modes-warning.js [14:22]

• 9 lines of code
• 2 McCabe index (conditional complexity)

  function emulatedIEMajorVersion() {
    var groups = /MSIE ([0-9.]+)/.exec(window.navigator.userAgent)
    if (groups === null) {
      return null
    }
    var ieVersionNum = parseInt(groups[1], 10)
    var ieMajorVersion = Math.floor(ieVersionNum)
    return ieMajorVersion
  }