obj is is 函数的创建者

#obj-is [![NPM version][npm-image]][npm-url] [![Build status][travis-image]][travis-url] [![Test coverage][coveralls-image]] [coveralls-url] [![Dependency Status][david-image]][david-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][下载网址] is-函数的创建者安装$ npm install --save obj-is ##Usage #### is(constructor, inherit[boolean]) var is = require ( 'obj-is' ) ; // Person