Number.isInteger() - JavaScript | MDN

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Number.MAX_SAFE_INTEGER

If the target value is an integer, return true, otherwise return false. If the value is NaN or Infinity, return false. The method will also return true for floating point numbers that can be represented as integer. It wi

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This page was last modified on Jul 10, 2025 by MDN contributors.

[Symbol.hasInstance]()

__defineGetter__()

__defineSetter__()

__lookupGetter__()

__lookupSetter__()

propertyIsEnumerable()

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