To represent integers smaller than this, consider using
|Property attributes of
MIN_SAFE_INTEGER constant has a value of
-9007199254740991 (-9,007,199,254,740,991, or about -9 quadrillion).
Double precision floating point format only has 52 bits to represent the mantissa, so it can only safely represent integers between -(253 – 1) and 253 – 1. Safe in this context refers to the ability to represent integers exactly and to correctly compare them. For example,
Number.MIN_SAFE_INTEGER - 1 === Number.MIN_SAFE_INTEGER - 2 will evaluate to true, which is mathematically incorrect. See
Number.isSafeInteger() for more information.
MIN_SAFE_INTEGER is a static property of
Number, you always use it as
Number.MIN_SAFE_INTEGER, rather than as a property of a number value.
Number.MIN_SAFE_INTEGER; // -9007199254740991 -(2 ** 53 - 1); // -9007199254740991
|ECMAScript Language Specification |
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