Last Evaluated Expression
If you need the result of the previous expression for your next console evaluation, you can use the variable $_, which is automatically set to the last expression result for you.
Firebug added support for this in 1.12
If you need the result of the previous expression for your next console evaluation, you can use the variable $_, which is automatically set to the last expression result for you.
Firebug added support for this in 1.12