The toJSON() method of the URL interface returns a DOMString containing the whole URL. It returns the same string as the href property.
This method is supposed to only be invoked by the JSON.stringify() method.
const url = new URL("https://developer.mozilla.org/en-US/docs/Web/API/URL/toJSON");
const obj = {key: url};
console.log(JSON.stringify(obj)); // logs '{"key": "https://developer.mozilla.org/en-US/docs/Web/API/URL/toJSON"}'
| Specification | Status | Comment |
|---|---|---|
| URL The definition of 'toJSON()' in that specification. | Living Standard | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | ? | 17 | 54 | ? | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | ? | ? | ? | 54 | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/URL/toJSON