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