javascript - What is `MNaN`? -

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i trying debug d3 code , in console debugger i'm getting following error returned:

error: <path> attribute d: expected number, "mnan,-232.4826144…".

however, don't know mnan (i'm aware of nan , surprisingly so/google aren't coming particularly helpful). also, error being triggered within d3 i'm not sure where/how fix issue.

m means move to , should followed pairs of numbers.

the first number in pair nan i.e. not number invalid, ua's path parser stop @ point.





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