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Rich Trott d7aa8fa088 tools: update ESLint to version 2.1.0 Update ESLint to 2.1.0. ESLint has a number of potentially-useful new features but this change attempts to be minimal in its changes. However, some things could not be avoided reasonably. ESLint 2.1.0 found a few lint issues that ESLing 1.x missed with template strings that did not take advantage of any features of template strings, and `let` declarations where `const` sufficed. Additionally, ESLint 2.1.0 removes some granularity around enabling ES6 features. Some features (e.g., spread operator) that had been turned off in our configuration for ESLint 1.x are now permitted. PR-URL: https://github.com/nodejs/node/pull/5214 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: jbergstroem - Johan Bergström <bugs@bergstroem.nu> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: Myles Borins <myles.borins@gmail.com>		9 years ago
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index.js	tools: update eslint to v1.10.3	9 years ago
license	tools: update eslint to v1.10.3	9 years ago
package.json	tools: update ESLint to version 2.1.0	9 years ago
readme.md	tools: update eslint to v1.10.3	9 years ago

number-is-nan

ES6 Number.isNaN() ponyfill

Ponyfill: A polyfill that doesn't overwrite the native method

Install

$ npm install --save number-is-nan

var numberIsNan = require('number-is-nan');

numberIsNan(NaN);
//=> true

numberIsNan('unicorn');
//=> false