Michael Haufe (2017-01-16T17:00:40.000Z)
forbes at lindesay.co.uk (2017-01-18T10:37:16.566Z)
The question came up recently [on CLJS](https://groups.google.com/forum/#!msg/comp.lang.javascript/nSesJfznwjg/rKiQOzkYEwAJ) on how to determine if an object is safe to call as a Constructor. Traditionally one uses ```js try {... x = new foo() ... } catch(e) { ... x = foo() } ``` In the [list of well-known symbols](http://www.ecma-international.org/ecma-262/7.0/#sec-well-known-symbols) there doesn't seem to be a way to reference [[Construct]] to perform a test to avoid the try/catch. In [the following](https://github.com/lukehoban/es6features/blob/master/README.md#subclassable) though there is reference to Symbol.create which doesn't seem to be in the spec but seems to be the one to look for. Can we get clarification on if it is possible to determine if an object can be constructed before attempting it?