URIError
The URIError
object represents an error when a global URI handling function was used in a wrong way.
Syntax
JavaScript
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new URIError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])
Parameters
message
- Optional. Human-readable description of the error
fileName
- Optional. The name of the file containing the code that caused the exception
lineNumber
- Optional. The line number of the code that caused the exception
Description
A URIError
is thrown when the global URI handling functions are passed a malformed URI.
Properties
URIError.prototype
- Allows the addition of properties to a
URIError
object.
Methods
The global URIError
contains no methods of its own, however, it does inherit some methods through the prototype chain.
URIError
instances
Properties
URIError.prototype.constructor
- Specifies the function that created an instance's prototype.
URIError.prototype.message
- Error message. Although ECMA-262 specifies that
URIError
should provide its ownmessage
property, in SpiderMonkey, it inheritsError.prototype.message
. URIError.prototype.name
- Error name. Inherited from
Error
. URIError.prototype.fileName
- Path to file that raised this error. Inherited from
Error
. URIError.prototype.lineNumber
- Line number in file that raised this error. Inherited from
Error
. URIError.prototype.columnNumber
- Column number in line that raised this error. Inherited from
Error
. URIError.prototype.stack
- Stack trace. Inherited from
Error
.
Methods
Although the URIError
prototype object does not contain any methods of its own, URIError
instances do inherit some methods through the prototype chain.
Examples
Catching an URIError
JavaScript
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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.fileName); // "Scratchpad/1" console.log(e.lineNumber); // 2 console.log(e.columnNumber); // 2 console.log(e.stack); // "@Scratchpad/2:2:3\n" }
Creating an URIError
JavaScript
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try { throw new URIError('Hello', 'someFile.js', 10); } catch (e) { console.log(e instanceof URIError); // true console.log(e.message); // "Hello" console.log(e.name); // "URIError" console.log(e.fileName); // "someFile.js" console.log(e.lineNumber); // 10 console.log(e.columnNumber); // 0 console.log(e.stack); // "@Scratchpad/2:2:9\n" }
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 3rd Edition (ECMA-262) The definition of 'URIError' in that specification. |
Standard | Initial definition |
ECMAScript 5.1 (ECMA-262) The definition of 'URIError' in that specification. |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'URIError' in that specification. |
Standard | |
ECMAScript 2017 Draft (ECMA-262) The definition of 'URIError' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
See also
License
© 2016 Mozilla 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/urierror