So I got why to fixed returns a String, with this in mind is it possible to cast the "NaN" string into NaN to keep the following expression workable?

var numberWithPrecission = (1*"A").ToFixed(2) || 0; 
有帮助吗?

解决方案

As suggested:

var numberWithPrecission = (1*"A" || 0).toFixed(2); 
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