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