robert kuzelj schrieb:
Function.prototype.foo = function() { alert("hello"); }
function () { alert("hello"); }
xxx.foo()
ReferenceError on line 1: xxx is not defined
This was executed in a javascript shell (bookmarklet for firefox). "xxx"
shouldn't be defined. That it works for you, also mean, that "xxx" is
already defined (maybe from a different area of code).
sorry man, that is not the case.
copy these two line into some js-code of yours. and execute it in a
browser:
alert("FUNC:" + AVeryLongIdentifierAsAProofForSebastian);
function AVeryLongIdentifierAsAProofForSebastian(){}
and i assure you: nowhere else in my code there is an identifier named
"AVeryLongIdentifierAsAProofForSebastian".
but you are right on one account. the identifier must be defined. thou
not before its first usage.
Ok, this really seems to work. Crazy stuff. Shouldn't work, but indeed
it does.
Even more interesting. This seems only to work, if the function is
defined in the same script-tag (inline HTML) or in the same js-file. Ok,
only tested in firefox 1.5. But otherwise it doesn't work. Seems to be
some tolerance implemented inside the script engines.
Sebastian
interessting.
yozzeff
Sebastian
[EMAIL PROTECTED] schrieb:
hi,
this is a bit off topic - but as there are surely quite a bit
javascript gurus around...
lets assume i have defined the following method on the Function object.
Function.prototype.foo = function(){}
now i define a few other functions
function xxx(){};
function yyy(){};
and i call foo on them. sofar no big surprise. foo
gets called. i am happy.
xxx.foo();
yyy.foo();
NOW i reverse the order of the foo-calls
xxx.foo();
yyy.foo();
function xxx(){};
function yyy(){};
that is. i call foo before defining the functions to call
them on. the BIG surprise is, that this works as well.
tested on ff 1.0.7, ie 6.0 sp2 and ie 7.0beta2
yozzeff
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