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From: "Christoph M. Becker" <cmbecker69@arcor.de>
Newsgroups: comp.lang.javascript
Subject: Re: Why does (a,b,c) return only c?
Date: Mon, 25 May 2015 15:32:00 +0200
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Evertjan. wrote:

> But what is the intended use of this expression (,,,,,) ?

It is probably most useful in a for statement, e.g.

  for (i = 0, n = array.length; i < n; i++) {
      // ...
  }

-- 
Christoph M. Becker