I think knowing what "this" is and being able to use it appropriately is pretty critical.
I think never having given a flying *** about self and having no idea what it is, is totally natural and not indicative of anything. ---->N .:||:._.:||:._.:||:._.:||:._.:||:._.:||:._.:||:._.:||:._.:||:._.:||:._.:||:. Nathan Young Cisco.com->Interface Development A: ncy1717 E: [EMAIL PROTECTED] > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Jake McGraw > Sent: Tuesday, March 13, 2007 2:45 PM > To: jQuery Discussion. > Subject: Re: [jQuery] jQuery newbies? > > A quick google and a look at Javascript The Definitive Guide: > > "self" is also a property of the global (window) object, one > which points back > at the window object such that (window.self === window) > should be true (it > isn't in Internet Explorer, but it is in Gecko-based > browsers, Netscape 4.78 > and Opera 7.53). I'm unsure why people use "self". It > requires JavaScript to > step through the object in the DOM you actually want to > retrieve a property > which points back at the object you wanted in the first > place. I guess it's > useful for self-documenting code (pun not intended). I don't > know, I never use > it, when I want the default window object, I use "window". > > "this" always refers to the current object. Outside of any > function, "this" > would refer to the global (window) object such that (this === > window) returns > true. Within functions, "this" can refer to a number of > things, but it is > always the "current object". Example: > > So, self is property which allows an object (Window) to reference > itself, this refers to the object which sits on the top of the current > scope resolution stack. > > btw, self is a part of Client Side Javascript, not the core language. > > I maybe reading it out of context, but I don't think knowing this > makes or breaks one's status as a professional Javascript developer. > > - jake > > > On 3/13/07, Jörn Zaefferer <[EMAIL PROTECTED]> wrote: > > Hi folks, > > > > the infamous ppk wrote in his blog: > > > > "I've learnt one other trick for distinguishing newbies and > pros: ask > > them the difference between |this| and |self|. Usually > people who just > > claim to be excellent scripters don't know the answer, > while real pros do." > > > > So obviously I am not an excellent scripter, because I > don't have any > > idea on the difference between those two. And I prefer > discussing iton > > this instead of crawling through the ECMA spec. > > > > Anyone? > > > > -- > > Jörn Zaefferer > > > > http://bassistance.de > > > > > > _______________________________________________ > > jQuery mailing list > > discuss@jquery.com > > http://jquery.com/discuss/ > > > > _______________________________________________ > jQuery mailing list > discuss@jquery.com > http://jquery.com/discuss/ > _______________________________________________ jQuery mailing list discuss@jquery.com http://jquery.com/discuss/
