On Sat, Apr 7, 2012 at 8:24 PM, Erik Arvidsson <[email protected]>wrote:
> On Sat, Apr 7, 2012 at 16:40, Rick Waldron <[email protected]> wrote: > >> var arr = document.getElementsByTagName("a"); > >> var externalElms = arr.filter(function(acc, item) { > >> (/^https?:\/\//).test(item.href) }); > >> > >> Or, > >> > >> var arr = document.querySelector("div") > >> var divMap = arr.fold(new Map, function(acc, item) { acc.add(item.id, > >> item); }); > > > > > > Nit: You'd still need to convert the NodeList into an array before using > any > > Array methods > > FYI > > DOM4 specs NodeList as an ArrayClass. This will be in ToT WebKit next > week. Enjoy :-) > > http://www.w3.org/TR/2012/WD-dom-20120405/#interface-nodelist > http://dev.w3.org/2006/webapi/WebIDL/#ArrayClass > https://bugs.webkit.org/show_bug.cgi?id=81573 > > As in, its [[Class]] is "Array" and Array.isArray( nodes ) would evaluate to true? Rick > -- > erik >
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
