The SyntaxError
constructor creates a new error object that represents an error when trying to interpret syntactically invalid code.
Syntax
new SyntaxError([message[, fileName[, lineNumber]]])
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
Examples
Catching a SyntaxError
try { eval('hoo bar'); } catch (e) { console.error(e instanceof SyntaxError); console.error(e.message); console.error(e.name); console.error(e.fileName); console.error(e.lineNumber); console.error(e.columnNumber); console.error(e.stack); }
Creating a SyntaxError
try { throw new SyntaxError('Hello', 'someFile.js', 10); } catch (e) { console.error(e instanceof SyntaxError); // true console.error(e.message); // Hello console.error(e.name); // SyntaxError console.error(e.fileName); // someFile.js console.error(e.lineNumber); // 10 console.error(e.columnNumber); // 0 console.error(e.stack); // @debugger eval code:3:9 }
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'NativeError constructor' in that specification. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SyntaxError() constructor | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 5.5 | Opera Full support 5 | Safari Full support 1 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 | nodejs Full support 0.1.100 |
Legend
- Full support
- Full support