On Sat, 31 Aug 2019, Luca Olivetti via lazarus wrote:
El 31/8/19 a les 16:22, Michael Van Canneyt via lazarus ha escrit:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse
Also frequently encountered is omitting "" around property names. JSON is a
subset of Javascript:
D.Parse('{ d: 12345678.3 }');
The parser at mozilla says: "Error: JSON.parse: expected property name
or '}' at line 1 column 3 of the JSON data"
I know. But if you treat it as Javascript e.g.
b = eval('{ d: 12345678.3 }');
it does work. JSON is a subset of Javascript.
That is why I said "frequently encountered". Not all parsers handle & allow it.
But ExtJS for instance handles&produces it. (I used ExtJS and had to add it for
that)
On large JSON files this shaves off quite some bytes off the result, I guess
that is why they did it. (not that it helped, an ExtJS JSON Store is dead slow.)
Michael.
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