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