isinteger - datatype/isinteger.ts - Ubique documentation

function isinteger



isinteger(x: unknown): boolean

Checks if the input is an integer.

Returns true if the input is a number and is an integer (i.e., has no fractional part).

Examples

import { assertEquals } from "jsr:@std/assert";

assertEquals(isinteger(5), true);

import { assertEquals } from "jsr:@std/assert";

assertEquals(isinteger(5.5), false);

import { assertEquals } from "jsr:@std/assert";

assertEquals(isinteger("5"), false);

import { assertEquals } from "jsr:@std/assert";

assertEquals(isinteger(null), false);



x: unknown

The input to check.

boolean

Returns true if x is an integer.

If the number of input arguments is not 1.