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Add documentation note about JSON.parse not being spec compliant #66120

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Sep 20, 2022
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Add documentation note about JSON.parse not being spec compliant #66120

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5 changes: 5 additions & 0 deletions doc/classes/JSON.xml
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Expand Up @@ -28,6 +28,11 @@
[codeblock]
var data = JSON.parse_string(json_string) # Returns null if parsing failed.
[/codeblock]
[b]Note:[/b] Both parse methods do not fully comply with the JSON specification:
- Trailing commas in arrays or objects are ignored, instead of causing a parser error.
- New line and tab characters are accepted in string literals, and are treated like their corresponding escape sequences [code]\n[/code] and [code]\t[/code].
- Numbers are parsed using [method String.to_float] which is generally more lax than the JSON specification.
- Certain errors, such as invalid Unicode sequences, do not cause a parser error. Instead, the string is cleansed and an error is logged to the console.
</description>
<tutorials>
</tutorials>
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