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22 lines
514 B
22 lines
514 B
4 years ago
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'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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