Demo entry 6663420

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Submitted by anonymous on Nov 30, 2017 at 03:36
Language: JavaScript. Code size: 229 Bytes.

// Circular references are legal in javascript objects
var a = { b: null };
var b = { a: a };
a.b = b;

// But they are not allowed in JSON -
// this is missed by jshint but throws a TypeError at runtime
JSON.stringify(a);

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