For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt, and this page is available as Markdown at /reference/predicate/isInteger.md.
Install massaman

    isInteger

    Checks if a value is an integer.

    isInteger(42) // true
isInteger(4.2) // false

    Usage

    isInteger(value: unknown)

    Checks if a value is an integer.

    import { isInteger } from 'massaman'
// or:  import { isInteger } from 'massaman/predicate'

isInteger(42) // true
isInteger(4.2) // false

    Parameters

    valueunknownrequired

    the value to test.

    Returns

    whether value is an integer; a true result narrows it to number.

    value is number