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  • Noach Magedman thinks this is interesting:

Although JavaScript uses IEEE 754 to represent both types of numbers, floats and integers are stored differently

From

Cover of Understanding ECMAScript 6

Note

Are those differences internal to the IEE 754 spec? If so, clarify what exactly is different. If not, in what sense are integers stored as IEEE 754? (I though IEEE 754 was specifically a floating-point notation, not for integers)