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by dragonwriter
4367 days ago
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> Its confusing because NaN explicitly states not a number. Then the function explicitly states is number. The problem is that "Number" is the name of a JS data type, and "number" is the name of a concept, the two don't match exactly, and when you are using camel-casing for word separation, you can't distinguish the two. The function "isNumber" checks if the thing it is applied to is a JS Number, not if it is a number. |
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