For others who may be wondering, this is because `Boolean.prototype.toSource()` ...

		ryannevius on May 30, 2019 \| parent \| context \| favorite \| on: Google to restrict modern ad blocking Chrome exten... For others who may be wondering, this is because `Boolean.prototype.toSource()` is a non-standard method that is only supported by Firefox: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...