Also deep cloning can be done by shallow cloning + replacing values in-place. This will help to avoid hidden classes creation and is going to be way faster too.
четверг, 22 ноября 2012 г., 18:05:18 UTC+7 пользователь Alexey Kupershtokh написал: > > I see that almost every framework (underscore, lodash, moo, etc) creates > its own clone function. > But v8 engine already has it. > So I've created a module that exposes v8's clone function. Just as a proof > of concept. It needs assertions and currently fails with a segmentation > fault on inputs like null values. > > https://github.com/AlexeyKupershtokh/node-v8-clone > > According to the benchmarks it's: > 8x faster (50x on 1000-key obj) than this approach: > var result = {}; for (i in obj) result[i] = obj[i]; > 12x faster (450x on 1000-key object) than this approach: > var result = {}; for (i in obj) if (obj.hasOwnProperty(i)) result[i] = > obj[i]; > > So I wonder if the community needs this module. > Also node's core developers are welcome to criticize. Is it ok to expose > this function? What are possible drawbacks? Or maybe it's worth to include > this into the node.js core? > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
