EvalError
Baseline Widely available
This feature is well established and works across many devices and browser versions. It's been available across browsers since July 2015.
The EvalError object indicates an error regarding the global eval() function. This exception is not thrown by JavaScript anymore, however the EvalError object remains for compatibility.
EvalError is a serializable object, so it can be cloned with structuredClone() or copied between Workers using postMessage().
EvalError is a subclass of Error.
Constructor
-
EvalError() - Creates a new
EvalErrorobject.
Instance properties
Also inherits instance properties from its parent Error.
These properties are defined on EvalError.prototype and shared by all EvalError instances.
-
EvalError.prototype.constructor - The constructor function that created the instance object. For
EvalErrorinstances, the initial value is theEvalErrorconstructor. -
EvalError.prototype.name - Represents the name for the type of error. For
EvalError.prototype.name, the initial value is"EvalError".
Instance methods
Inherits instance methods from its parent Error.
Examples
Creating an EvalError
try {
throw new EvalError("Hello");
} catch (e) {
console.log(e instanceof EvalError); // true
console.log(e.message); // "Hello"
console.log(e.name); // "EvalError"
console.log(e.stack); // Stack of the error
}
Specifications
| Specification |
|---|
| ECMAScript® 2027 Language Specification # sec-native-error-types-used-in-this-standard-evalerror |
Browser compatibility
| 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 | |
EvalError |
1 |
12 |
1 |
5 |
1 |
18 |
4 |
10.1 |
1 |
1.0 |
4.4 |
1 |
1.0.0 |
1.0 |
0.10.0 |
EvalError |
1 |
12 |
1 |
5 |
1 |
18 |
4 |
10.1 |
1 |
1.0 |
4.4 |
1 |
1.0.0 |
1.0 |
0.10.0 |
serializable_object |
77 |
79 |
103Version 103 serializable properties:name, message, cause, fileName, lineNumber and columnNumber.Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
64 |
No |
77 |
103Version 103 serializable properties:name, message, cause, fileName, lineNumber and columnNumber.Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
55 |
No |
12.0 |
77 |
No |
? |
No |
No |
See also
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/EvalError