Error: cause - JavaScript | MDN

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Error > Differentiate between similar errors

It is sometimes useful to catch an error and re-throw it with a new message. In this case you should pass the original error into the constructor for the new Error, as shown.

Error.prototype.message

Error.prototype.toString()

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This page was last modified on Jan 21, 2026 by MDN contributors.

captureStackTrace()

[Symbol.hasInstance]()

__defineGetter__()

__defineSetter__()

__lookupGetter__()

__lookupSetter__()

propertyIsEnumerable()

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