SyntaxError() constructor
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
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