obj del 按路径删除多个键 安全

#obj-del [![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]按路径删除多个键-安全。安装$ npm install --save obj-del ＃＃用法var del = require ( 'obj-del' ) ; var obj = { a : 1 , b : { c : 1 } , x