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  • JS_ValueToNumber: NaN == success?

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    The documentation for JS_ValueToNumber states, "If the JS value is a
    JSVAL_STRING that contains numeric values and signs only, conversion
    also succeeds." It stands to reason then, if the JS value is a
    JSVAL_STRING that contains something other than that, the conversion
    should fail. However, this doesn't seem to be the case; rather, the
    jsdouble out-parameter is set to NaN and the function returns JS_TRUE.
    Is this a bug in the documentation or in SpiderMonkey?

  • No.1 | | 460 bytes | |

    The documentation, as usual. The API is around ten years old and we
    couldn't change it if we wanted to. But it in fact implements the
    conversion specified by ECMA-262 Edition 3 (ToNumber Applied to the
    String Type, 9.3.1). So we shouldn't want to change it.

    Someone please edit the MDC version of the API docs. Thanks,

    /be

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Re: JS_ValueToNumber: NaN == success?


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