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- 'use strict';
- var GetIntrinsic = require('../GetIntrinsic');
- var $Math = GetIntrinsic('%Math%');
- var $floor = $Math.floor;
- var $abs = $Math.abs;
- var $isNaN = require('../helpers/isNaN');
- var $isFinite = require('../helpers/isFinite');
- // https://www.ecma-international.org/ecma-262/6.0/#sec-isinteger
- module.exports = function IsInteger(argument) {
- if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
- return false;
- }
- var abs = $abs(argument);
- return $floor(abs) === abs;
- };
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