URIError() constructor - JavaScript | MDN
Syntax
js
new URIError()
new URIError(message)
new URIError(message, options)
new URIError(message, fileName)
new URIError(message, fileName, lineNumber)
URIError()
URIError(message)
URIError(message, options)
URIError(message, fileName)
URIError(message, fileName, lineNumber)
Note:
URIError() can be called with or without new. Both create a new URIError instance.
Parameters
messageOptional-
Human-readable description of the error.
optionsOptional-
An object that has the following properties:
causeOptional-
A property indicating the specific cause of the error. When catching and re-throwing an error with a more-specific or useful error message, this property can be used to pass the original error.
fileNameOptional Non-standard-
The name of the file containing the code that caused the exception.
lineNumberOptional Non-standard-
The line number of the code that caused the exception.
Examples
Catching a URIError
js
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 a URIError
js
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® 2027 Language Specification # sec-nativeerror-constructors |