[Seasar-user:21824] Re: kumu.jsについで

[Koichi Kobayashi]

小林 (koichik) です。

米さん or mopemopeさん、こちら返信できたら
お願いします。


On Wed, 19 Feb 2014 11:43:29 +0900 (JST), 周 偉明 <zhou_w ＠ worksap.co.jp> wrote:

> お世話になっています。
> 周と申します。
> 
> kumu.js is overriding the prototype of array:
> 
> Array.prototype = Kumu.extend(Array.prototype, {
>   map:Kumu.map,
>   filter:Kumu.filter,
>   shift:Kumu.shift,
>   unshift:Kumu.unshift,
>   include:Kumu.include
>   
> });
> 
> which is causing serious performance problems in JavaScript heavy page in IE7,8.
> 
> What's the reason? If kumu.js is trying to deal with legacy browsers without
> all these methods provided, at least it should the existence of the methods
> before overriding them.
> 
> Any advice or suggestion will be greatly appreciated.
> 
> Best Regards,
>  
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{
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  twitter: "@koichik"
}