nan.json

{
    "id": "nan",
    "summary": "Not a Number (NaN)",
    "description": "`NaN` (not a number) is a symbolic floating-point representation which is neither a signed infinity nor a finite number.",
    "categories": [
        "math > constants"
    ],
    "experimental": true,
    "parameters": [],
    "returns": {
        "description": "Returns `NaN`.",
        "schema": {
            "description": "JSON Schema can't represent `NaN` and thus a schema can't be specified."
        }
    },
    "links": [
        {
            "rel": "about",
            "href": "https://ieeexplore.ieee.org/document/4610935",
            "title": "IEEE Standard 754-2008 for Floating-Point Arithmetic"
        },
        {
            "rel": "about",
            "href": "http://mathworld.wolfram.com/NaN.html",
            "title": "NaN explained by Wolfram MathWorld"
        }
    ]
}