On Fri, Jul 25, 2014 at 12:56 PM, Michaël Rouges <[email protected]> wrote: > Hi David. > > Sure... I make a library that that needs to share a private variable with > all methods > of an instance passed by arguments on my lib' method. > > ``` > var lib; > > (function () { > var shared; > > shared = 'a shared value'; > > lib = { > method: function method(foreignObject) { > var property; > > for (property in foreignObject) { > if (foreignObject.hasOwnProperty('property') { > if (typeof foreignObject === 'function') { > // how to pass the "shared" variable > // preserving the inside this in foreignObject > methods > // and without to touch the methods args? > } > } > } > } > }; > }());```
Ah, so you've got a "private" variable (declared in a closure) that you want to share with other objects which aren't created in the same closure. This is what Symbols/WeakMaps were made for. Precisely how to use them depends on exactly what you're going for and what your constraints are, but I'm confident you could bodge something together with a WeakMap without too much trouble. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
