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17

I don't think Firefox actually has captureStackTrace. It's a V8 extension and is undefined in Firefox for me, nor can I find any references on the web to Firefox supporting it. (Thanks though!)
– Geoff
Commented Feb 23, 2012 at 7:37
6

Error.call(this) is indeed not doing anything since it returns an error rather than modifying this.
– kybernetikos
Commented Oct 2, 2012 at 10:13
1

UserError.prototype = Error.prototype is misleading. This doesn't do inheritance, this makes them the same class.
– Halcyon
Commented Nov 21, 2013 at 13:10
1

I believe Object.setPrototypeOf(this.constructor.prototype, Error.prototype) is preferred to this.constructor.prototype.__proto__ = Error.prototype, at least for current browsers.
– ChrisV
Commented Mar 20, 2015 at 12:54
1

Why not this.constructor.prototype = Object.create(Error.prototype);? Seems cleaner than using __proto__
– timruffs
Commented Oct 28, 2015 at 12:03

| Show 6 more comments

Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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