core-js/modules/es.number.is-integer.js

'use strict';
var $ = require('../internals/export');
var isIntegralNumber = require('../internals/is-integral-number');

// `Number.isInteger` method
// https://tc39.es/ecma262/#sec-number.isinteger
$({ target: 'Number', stat: true }, {
  isInteger: isIntegralNumber
});