JavaScript TypeError – Cyclic object value

This JavaScript exception cyclic object value occurs if the references of objects were found in JSON. JSON.stringify() fails to solve them.

Message:

TypeError: cyclic object value (Firefox)
TypeError: Converting circular structure to JSON 
           (Chrome and Opera)
TypeError: Circular reference in value argument 
           not supported (Edge)

Error Type:

TypeError

Cause of error: If in the code references are found then JSON.stringify() fails to solve them.

Example 1: In this example, the circObj has a reference to itself, So the error has occurred.

Javascript

let circObj = { 1: "1" };
circObj.myself = circObj;
JSON.stringify(circObj);

Output:

TypeError: Converting circular structure to JSON

Example 2: In this example, the GFG_Obj has a reference to itself, and JSON.stringify() fails to solve it. So the error has occurred.

Javascript

let GFG_Obj = { property_1: "value_1" };
GFG_Obj.myself = GFG_Obj;
JSON.stringify(GFG_Obj);

Output:

TypeError: Converting circular structure to JSON