On Feb 17, 2012, at 4:35 PM, Mark S. Miller wrote: > > > On Fri, Feb 17, 2012 at 3:39 PM, Brendan Eich <[email protected]> wrote: > JS1 in 1995 needed *some* batteries included: Date, Math functions. I chose > java.util.Date (implementation, this was the one piece I had help on from Ken > Smith of Netscape, was a port from Java to C) and java.lang.Math. > > JSON is more recent but again we want some batteries included, especially for > the browser JS embedding. Downloading requires provisioning and hurts page > load performance (pay for what you use but it's still a big-enough cost). > JSON is based on Doug Crockford's json2.js which people were in fact > downloading. > > And json2.js was a complex set of RegExps guarding an eval. These RegExps > were too complicated for anyone, including Crock, to have confidence that the > result was secure. This was a security emergency waiting to happen. >
And my recollection is that the w3c had already declined to specify JSON encoding/decoding functions as part of html5. > > > You could argue JSON didn't need to be in the core language. We did it, it's > not worth revisiting. But the ES6 module system should help us avoid yet more > such global namespace-object additions. > > /be > > > > > Corey Richardson wrote: > They seem rather out-of-place in a language that includes no standard library. > I would include RegExp in that list but there is literal syntax for that in > the language. > > Are the reasons purely historical/for convenience of standardization in > JavaScript? They seem like something the host environment should provide, > not a native object. > > _______________________________________________ > 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 > > > > -- > Cheers, > --MarkM > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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