Jason Orendorff (2014-12-19T17:22:55.000Z)
d at domenic.me (2015-01-05T20:42:27.973Z)
On Tue, Dec 16, 2014 at 3:05 PM, Tom Schuster <tom at schuster.me> wrote: > right now there is no way in normal JS code to replicate the IsConstructor > check defined in 7.2.4. ```js function isConstructor(obj) { var p = new Proxy(obj, {construct() { return p; }}); try { new p; } catch (exc) { return false; } return true; } ``` This works by exposing the code in 9.5.15 ProxyCreate that's more or less equivalent to IsConstructor.