On Tue, Jan 11, 2011 at 8:35 AM, Adrian Olaru agol...@gmail.com wrote:
or you just write undefined instead of void(0) or void 0.
Minor fyi:
While true, do note that in most cases, this incurs a (minor!) overhead for
lookup (because undefined is actually a global variable) while void(0) is an
My point is that void(0) or void 0, is not (that) used in the real world.
@peter, @matthias... I know that about undefined. It's a good info for
others that don't know, though.
On Tue, Jan 11, 2011 at 10:54 AM, Peter van der Zee qfo...@gmail.comwrote:
On Tue, Jan 11, 2011 at 8:35 AM, Adrian
On Mon, 10 Jan 2011 18:48:29 +0100, Fran m...@fran.ie wrote:
Why does void(any_input) return undefined ?
As others have said, it's the way it's defined. void is an operator that
takes
one operand and evaluates to undefined.
Notice that the parentheses are not needed. void 2+4 works just as
On Mon, Jan 10, 2011 at 8:05 PM, Dmitry Soshnikov
dmitry.soshni...@gmail.com wrote:
Though even this use-case is synthetic, since this check, first, can be
replaced with checking typeof foo == undefined, and second -- in ES5 it's
fixed,
Well, writing void(0) is shorter and harder to
