JavaScript Number MAX_SAFE_INTEGER

һȷ

Number.MAX_SAFE_INTEGER ʾ JavaScript е󲿷ȫ

Number.MAX_SAFE_INTEGER Ϊ (253 - 1)。

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MIN_SAFE_INTEGER

MAX_VALUE

MIN_VALUE

NEGATIVE_INFINITY

POSITIVE_INFINITY

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let x = Number.MAX_SAFE_INTEGER;

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Number.MAX_SAFE_INTEGER

MAX_SAFE_INTEGER JavaScript Number ʵ

ֻܸʹ Number.MAX_SAFE_INTEGER

ʹ x.MAX_SAFE_INTEGER،ʲô x һıʶ،ء undefined:

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let x = 100;
x.MAX_SAFE_INTEGER;

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Number.MAX_SAFE_INTEGER

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9007199254740991

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Number.MAX_SAFE_INTEGER ECMAScript6 (ES6) Dz

пǰ棨JavaScript 2015棩֧ ES6

Chrome IE Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
֧ ֧ ֧ ֧ ֧

Internet Explorer 11（ɺɿİ汾）֧ Number.MAX_SAFE_INTEGER。