On Thu, Aug 21, 2008 at 4:33 PM, Peter Michaux <[EMAIL PROTECTED]> wrote:
>
> which is handy in a language that constantly deals with side effects.
> There is no Scheme "begin" or Lisp "progn" expression being proposed
> which means we will have to write the following pattern
>
> var y;
> let (x = 34) {
> // side effects lines
> document.getElementById('foo').className="n"+x;
> // "return" y
> y = x+4;
> }
>
> where it would be nice to write something like
>
> var y = let (x = 34) begin {
> document.getElementById('foo').className="n"+x;
> x+4;
> }
There are comma expressions in ES, so using a let expression:
var y = let (x = 34)
document.getElementById('foo').className="n"+x,
x+4;
... would do what you want, I believe.
-Jon
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