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| /*!
| * is-number <https://github.com/jonschlinkert/is-number>
| *
| * Copyright (c) 2014-2015, Jon Schlinkert.
| * Licensed under the MIT License.
| */
|
| 'use strict';
|
| var typeOf = require('kind-of');
|
| module.exports = function isNumber(num) {
| var type = typeOf(num);
| if (type !== 'number' && type !== 'string') {
| return false;
| }
| var n = +num;
| return (n - n + 1) >= 0 && num !== '';
| };
|
|
