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The author didn't do that in article. You sure can replace toString (which can be detected as-well).

• geocar 5y ago
  > You sure can replace toString (which can be detected as-well) Are you sure? You can make “native code” functions with .bind(null) (function(){ var a=function(){};a.prototype.toString=navigator.credentials.create.toString.bind(navigator.credentials.create); return new a();})().toString()
  • sometimesshit 5y ago
    Yes, I'm. For the record, your code can be detected easily using, toString.name Which results "bound toString" wheres real one results "toString"
    • geocar 5y ago
      You can set toString.name
      • sometimesshit 5y ago
        You can of course, but how about these? (function(){ var a=function(){};a.prototype.toString=navigator.credentials.create.toString.bind(navigator.credentials.create); return new a();})().toString == Function.prototype.toString yields false where navigator.credentials.create.toString == Function.prototype.toString yields true
        • geocar 5y ago
          Of course you can "just" modify Function.prototype.toString as well. And so on.
          • sometimesshit 5y ago
            You know what that can be detected as-well. I'm trying to prove my point that it's endless cat and mouse game.
            • geocar 5y ago
              I think we're talking past each other then.