URIError
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.
* Some parts of this feature may have varying levels of support.
The URIError object represents an error when a global URI handling function was used in a wrong way.
URIError is a serializable object, so it can be cloned with structuredClone() or copied between Workers using postMessage().
URIError is a subclass of Error.
Constructor
URIError()-
Creates a new
URIErrorobject.
Instance properties
Also inherits instance properties from its parent Error.
These properties are defined on URIError.prototype and shared by all URIError instances.
URIError.prototype.constructor-
The constructor function that created the instance object. For
URIErrorinstances, the initial value is theURIErrorconstructor. URIError.prototype.name-
Represents the name for the type of error. For
URIError.prototype.name, the initial value is"URIError".
Instance methods
Inherits instance methods from its parent Error.
Examples
Catching an URIError
try {
decodeURIComponent("%");
} catch (e) {
console.log(e instanceof URIError); // true
console.log(e.message); // "malformed URI sequence"
console.log(e.name); // "URIError"
console.log(e.stack); // Stack of the error
}
Creating an URIError
try {
throw new URIError("Hello");
} catch (e) {
console.log(e instanceof URIError); // true
console.log(e.message); // "Hello"
console.log(e.name); // "URIError"
console.log(e.stack); // Stack of the error
}
Specifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-native-error-types-used-in-this-standard-urierror |
Browser compatibility
Loading…