It wouldn’t be breaking if it was the only identifier that one was allowed to use multiple time, right?
But I do like the idea of the dot. Would be nice for destructuring arrays, too: let [., ., third] = myArray; On Dec 30, 2012, at 13:01 , Andreas Rossberg <rossb...@google.com> wrote: > On 30 December 2012 12:50, Axel Rauschmayer <a...@rauschma.de> wrote: >> It would actually be nice to have that as a feature: If the variable name is >> `_` then it can be used multiple times. It’s a nice, self-descriptive way of >> saying that you don’t care about a parameter value. > > That underscore wildcard is the exact syntax used in functional > languages, and very useful, I agree. In JS, that syntax would be a > breaking change, unfortunately. But we could use something else (e.g. > I proposed '.' in the past). > > /Andreas > -- Dr. Axel Rauschmayer a...@rauschma.de home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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