next-is-circular

Judge object if circular

install:

npm install -S afeiship/next-is-circular --registry=https://registry.npm.taobao.org

usage:

var obj2 = { email: '1290657123@qq.com' };
obj2.self = obj2;

nx.isCircular(obj2);// true

resouces:

• https://blog.csdn.net/java_zys/article/details/51258997
• https://github.com/douglascrockford/JSON-js
• http://blog.vjeux.com/2011/javascript/cyclic-object-detection.html