What is the maximum string length allowed for the parameter accepted by JavaScript's JSON.Parse() function?

Is there a maximum string length limit for the parameter accepted by JavaScript's JSON.Parse()? If I were to pass a string that surpasses this expected length, will it result in an exception being thrown or prevent the function from returning a valid value?

I am seeking an answer based on reliable sources. Thank you in advance.

Answer №1

JSON does not have inherent size limits, but limitations can be imposed by the browser or server handling the requests. For instance, ASP.net includes

JavaScriptSerializer.MaxJsonLength
, which sets a default limit of 2097152 characters.

This is constrained by a 32-bit integer, restricting it to 2147483644 characters.

Int32

The maximum length for JSON strings. The default is 2097152 characters, equivalent to 4 MB of Unicode string data.

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