I already read the doc, but the doc seems not explain the "magic" behind the scene. If the doc can explain the detail just like @msk or link the source code , it will be nicer.
在 2013年10月16日星期三UTC+8上午12时10分48秒，Ryan Graham写道： > > This behaviour is documented here: > http://nodejs.org/api/modules.html#modules_modules > > If the explanation there is not clear, do you have any suggestions on how > to improve it? Is there another section in the docs that you looked for > this information first? > > Suggestions welcome! > > ~Ryan > > > > On Tue, Oct 15, 2013 at 5:33 AM, greelgorke <greel...@gmail.com<javascript:> > > wrote: > >> module.exports and exports are referencing the same object. if you do >> module.exports = foo, both point to different objects. if you want to >> assign to module.exports and keep the shortcut exports correct do this >> >> module.exports = exports = foo >> >> simple reference handling, there is no magic behind. >> >> Am Dienstag, 15. Oktober 2013 12:22:29 UTC+2 schrieb yougen zhuang: >> >>> Before assign value to exports, module.exports === exports, but after >>> assign value, they're not equal. In my view, they're point to the same >>> reference. >>> BTW, if I modify to module.exports.Rect = Rect, then module.exports === >>> exports >>> >>> function Rect(w,h) { >>> this.w = w; >>> this.h = h; >>> }; >>> >>> Rect.prototype.area = function(){ >>> return this.w*this.h; >>> }; >>> >>> console.log(module.exports === exports);//true >>> module.exports = Rect; >>> console.log(module.exports); >>> console.log(exports); >>> console.log(module.exports === exports);//false >>> >>> >>> -- >> -- >> Job Board: http://jobs.nodejs.org/ >> Posting guidelines: >> https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines >> You received this message because you are subscribed to the Google >> Groups "nodejs" group. >> To post to this group, send email to nod...@googlegroups.com<javascript:> >> To unsubscribe from this group, send email to >> nodejs+un...@googlegroups.com <javascript:> >> For more options, visit this group at >> http://groups.google.com/group/nodejs?hl=en?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "nodejs" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to nodejs+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > > > -- > http://twitter.com/rmgraham > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to nodejs@googlegroups.com To unsubscribe from this group, send email to nodejs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to nodejs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
