Converting circular structure to JSON -
时间: 2023-11-03 14:52:12 浏览: 128
小程序报错: Uncaught TypeError: Converting circular structure to JSON
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This error message usually occurs when you try to stringify an object that contains circular references, which means that there is a loop in the object structure.
To resolve this issue, you need to find and remove the circular reference in your object. Circular references can occur when an object references itself or when two or more objects reference each other.
You can use techniques such as serialization or cloning to break the circular reference. For example, you can use the `JSON.parse(JSON.stringify(object))` method to create a deep clone of the object without circular references.
Here's an example:
```javascript
const obj = {
name: 'John',
};
obj.self = obj; // creating a circular reference
const jsonString = JSON.stringify(obj); // throws "Converting circular structure to JSON" error
const clone = JSON.parse(JSON.stringify(obj)); // creates a deep clone without circular references
console.log(clone);
```
In this example, the `JSON.stringify(obj)` method throws an error because of the circular reference. However, by using `JSON.parse(JSON.stringify(obj))`, we can create a clone of the object `obj` without circular references.
Remember to inspect your object structure and remove or break any circular references before stringifying it to JSON.
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