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18 lines
473 B
18 lines
473 B
'use strict'; |
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var abs = require('./abs'); |
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var floor = require('./floor'); |
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var Type = require('./Type'); |
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var $isNaN = require('../helpers/isNaN'); |
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var $isFinite = require('../helpers/isFinite'); |
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// https://tc39.es/ecma262/#sec-isintegralnumber |
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module.exports = function IsIntegralNumber(argument) { |
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if (Type(argument) !== 'Number' || $isNaN(argument) || !$isFinite(argument)) { |
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return false; |
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} |
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var absValue = abs(argument); |
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return floor(absValue) === absValue; |
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};
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