Converting circular structure to JSON

转:https://blog.csdn.net/hhthwx/article/details/79307843

在github上找到了一个比较简便的解决方法: 

安装circular-json
npm install circular-json 
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var a = {};
a.b = a;
// load circular-json module
var CircularJSON = require('circular-json');
console.log(CircularJSON.stringify(a));

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转载自blog.csdn.net/yeputi1015/article/details/80907759