function actualNonEmulatedIEMajorVersion()

in content/js/ie-emulation-modes-warning.js [24:36]

• 10 lines of code
• 3 McCabe index (conditional complexity)

  function actualNonEmulatedIEMajorVersion() {
    // Detects the actual version of IE in use, even if it's in an older-IE emulation mode.
    // IE JavaScript conditional compilation docs: http://msdn.microsoft.com/en-us/library/ie/121hztk3(v=vs.94).aspx
    // @cc_on docs: http://msdn.microsoft.com/en-us/library/ie/8ka90k2e(v=vs.94).aspx
    var jscriptVersion = new Function('/*@cc_on return @_jscript_version; @*/')() // jshint ignore:line
    if (jscriptVersion === undefined) {
      return 11 // IE11+ not in emulation mode
    }
    if (jscriptVersion < 9) {
      return 8 // IE8 (or lower; haven't tested on IE<8)
    }
    return jscriptVersion // IE9 or IE10 in any mode, or IE11 in non-IE11 mode
  }