But note that last and first usually return iterators providing next & previous properties or methods As Array items can be of any type it would mean adding a behavior to them (a polyfil could use apply() or call() to add it) next / previous should then also alter the returned item
On 28 juil. 2013, at 16:03, Alexandre Morgaut wrote: > Using a method would be jQuery like: > -> http://api.jquery.com/first/ > -> http://api.jquery.com/last/ > but jQuery didn't had much choice has JS getter / setter are not supported by > older browsers > > The DOM API expose first / last child via properties since DOM level 1 > -> http://www.w3.org/TR/dom/#dom-node-firstchild > -> http://www.w3.org/TR/dom/#dom-node-lastchild > > As does Element Traversal > -> > http://www.w3.org/TR/2007/WD-ElementTraversal-20070727/#elementTraversal-firstElementChild > -> > http://www.w3.org/TR/2007/WD-ElementTraversal-20070727/#elementTraversal-lastElementChild > > Properties would be more logic to me but I'm not sure if they are really > necessary > It provides a little more semantic friendly access and is a little more > friendly for autocompletion > > On 28 juil. 2013, at 14:13, David Bruant wrote: > >> Hi, >> >> Asked by Angus Croll [1]. Interestingly, people who answered giving code >> didn't agree on a method or getter. Hence the need for a standard :-) >> Array.prototype.first could work too. >> >> David >> >> [1] https://twitter.com/angustweets/status/359827047117373443 >> Alexandre Morgaut Wakanda Community Manager 4D SAS 60, rue d'Alsace 92110 Clichy France Standard : +33 1 40 87 92 00 Email : [email protected] Web : www.4D.com _______________________________________________ >> es-discuss mailing list >> [email protected] >> https://mail.mozilla.org/listinfo/es-discuss > _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
