undefined | Better HN

0 pointsDanWaterworth12y ago0 comments

> You're right that a closure only needs to contain the variables that are closed over.

You would think so, but this assumption fails in the presence of eval.

0 comments

Sure, but that's the only exception, right? If there's no eval call in the function that requires the closure it's easily determined what variables don't need to be included, right?

j / k navigate · click thread line to collapse

0 pointsDanWaterworth12y ago0 comments

> You're right that a closure only needs to contain the variables that are closed over.

You would think so, but this assumption fails in the presence of eval.

0 comments

bmm6o12y ago

Sure, but that's the only exception, right? If there's no eval call in the function that requires the closure it's easily determined what variables don't need to be included, right?

j / k navigate · click thread line to collapse