Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.
The fileName data property of an Error instance contains the path to the file that raised this error.
A string.
Property attributes of Error: fileName
| |
|---|---|
| Writable | yes |
| Enumerable | no |
| Configurable | yes |
This non-standard property contains the path to the file that raised this error. If called from a debugger context, the Firefox Developer Tools for example, "debugger eval code" is returned.
const e = new Error("Could not parse input");
throw e;
// e.fileName could look like "file:///C:/example.html"
Not part of any standard.
| Desktop | Mobile | Server | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | Bun | Deno | Node.js | |
fileName |
No | No | 1 | No | No | No | 4 | No | No | No | No | No | ? | No | No |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/fileName