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Error: fileName

Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The fileName data property of an Error instance contains the path to the file that raised this error.

Value

A string.

Property attributes of `Error: fileName`
Writable	yes
Enumerable	no
Configurable	yes

Description

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.

Examples

Using fileName

const e = new Error("Could not parse input");
throw e;
// e.fileName could look like "file:///C:/example.html"

Specifications

Not part of any standard.

Browser compatibility

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`fileName`	No	No	1	No	No	No	4	No	No	No	No	No	No