16 lines
377 B
JavaScript
16 lines
377 B
JavaScript
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'use strict';
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var truncate = require('./truncate');
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var Type = require('./Type');
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var $isFinite = require('../helpers/isFinite');
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// https://262.ecma-international.org/14.0/#sec-isintegralnumber
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module.exports = function IsIntegralNumber(argument) {
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if (Type(argument) !== 'Number' || !$isFinite(argument)) {
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return false;
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}
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return truncate(argument) === argument;
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};
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