My view is to have undefined something only the runtime is allowed to set, while null is something I deliberately set. This way you get a hint who messed up if the value is missing.
As long as we remember the difference, I think it's OK. Also, we have to be consistent in how we use them.
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My view is to have undefined something only the runtime is allowed to set, while null is something I deliberately set.
This way you get a hint who messed up if the value is missing.
As long as we remember the difference, I think it's OK. Also, we have to be consistent in how we use them.