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17 lines
450 B
17 lines
450 B
'use strict'; |
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var abs = require('./abs'); |
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var floor = require('./floor'); |
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var $isNaN = require('../helpers/isNaN'); |
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var $isFinite = require('../helpers/isFinite'); |
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// https://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 absValue = abs(argument); |
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return floor(absValue) === absValue; |
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};
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