SuppressedError() constructor
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The SuppressedError() constructor creates SuppressedError objects.
Syntax
js
new SuppressedError(error, suppressed)
new SuppressedError(error, suppressed, message)
SuppressedError(error, suppressed)
SuppressedError(error, suppressed, message)
Note:
SuppressedError() can be called with or without new. Both create a new SuppressedError instance.
Parameters
error-
The new error that results in the suppression of
suppressed. suppressed-
The error that was originally thrown and is now suppressed.
messageOptional-
An optional human-readable description of the aggregate error.
Examples
Creating a SuppressedError
js
try {
throw new SuppressedError(
new Error("New error"),
new Error("Original error"),
"Hello",
);
} catch (e) {
console.log(e.suppressed); // Error: "Original error"
console.log(e.error); // Error: "New error"
}
Specifications
| Specification |
|---|
| ECMAScript Async Explicit Resource Management # sec-suppressederror-constructor |
Browser compatibility
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SuppressedError
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