Error objects

Error objects are created either by the environment (the browser) or by your code.

> var e = new Error('jaavcsritp is _not_ how you spell it');
> typeof e;
"object"

Other than the Error constructor, six additional ones exist and they all inherit Error:

The Error.prototype members

Property	Description
`name`	The name of the error constructor used to create the object: > var e = new EvalError('Oops'); > e.name; "EvalError "
`message`	Additional error information: > var e = new Error('Oops... again'); > e.message; "Oops... again"

Property

Description

name

The name of the error constructor used to create the object:

> var e = new EvalError('Oops');
> e.name;
"EvalError
"

message

Additional error information:

> var e = new Error('Oops... again');
> e.message;
"Oops... again"

Get JavaScript : Object-Oriented Programming now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.