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