ES Discuss - Message History

Till Schneidereit (2013-07-30T21:21:56.000Z)

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On Tue, Jul 30, 2013 at 10:19 PM, Allen Wirfs-Brock
<allen at wirfs-brock.com>wrote:

> I was really asking about purpose of application level Array.isArray
> tests.  What is the application really asking when it uses that test? Is it
> really asking "array-like"?  What counts as "array-like"?
>

My guess is: whether the generic Array methods work for this object. Which
is a sensible thing to want to know, and which, imo, Array.isArray *seems*
to provide, if you don't know better.
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domenic at domenicdenicola.com (2013-08-04T22:38:01.718Z)

On Tue, Jul 30, 2013 at 10:19 PM, Allen Wirfs-Brock <allen at wirfs-brock.com>wrote:

> I was really asking about purpose of application level Array.isArray
> tests.  What is the application really asking when it uses that test? Is it
> really asking "array-like"?  What counts as "array-like"?

My guess is: whether the generic Array methods work for this object. Which
is a sensible thing to want to know, and which, imo, Array.isArray *seems*
to provide, if you don't know better.

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