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From: "Christoph M. Becker" <cmbecker69@arcor.de>
Newsgroups: comp.lang.javascript
Subject: Re: try ... catch for a specific error ?
Date: Thu, 2 Jun 2016 12:38:07 +0200
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On 02.06.2016 at 09:54, R.Wieser wrote:

> I'm executing a command which can return a specific error constant
> indicating the item is not found.  I would like to catch that error alone
> (returning an empty string instead of failing), and have the system handle
> all others.
> 
> Two seperate questions:
> 1) Can I tell the "catch" to only do so on (a) specific error(s) ?

You can do something like:

  try {
      // ...
  } catch (ex) {
      if (weAreInterestedInHandlingTheException(ex)) {
          // handle the exception
      } else {
          throw ex;
      }
  }

-- 
Christoph M. Becker