-
`in` and `instanceof` expressions in JS
```js
a in obj;
a instanceof C;
```
can be negated by grouping them and applying the `!` operator, i.e.
```js
!(a in obj);
!(a instanceof C);
```
…
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`DurableError` is defined in the typescript definition but is not exported. Using `if (err instanceof DurableError)` leads to an error `Right-hand side of 'instanceof' is not an object`
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## Expected Behavior
domNode instanceof Element should be true
## Actual Behavior
domNode instanceof Element is false
## Steps to Reproduce
After upgrading from version 1.4 to 3.0 dom…
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### Prerequisites
- [X] I have written a descriptive issue title
- [X] I have searched existing issues to ensure the bug has not already been reported
### Fastify version
4.28.1
### Plugin versio…
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```javascript
// 提示参数 files?: Blob[];
Apis.device.apiDeviceFilesPost({data: {files: [fileList.value[0].raw, fileList.value[1].raw]}}); //失败
Apis.device.apiDeviceFilesPost({data: formData}); …
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instanceof 运算符用于检测构造函数的 prototype 属性是否出现在某个实例对象的原型链上。[MDN上](https://link.juejin.cn/?target=https%3A%2F%2Fdeveloper.mozilla.org%2Fzh-CN%2Fdocs%2FWeb%2FJavaScript%2FReference%2FOperators%2Finstanceof)
…
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instanceof Obj will also accept arrays
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### Bug report
I feel this is a bug. You can check var type with match syntax like this:
```
$a = match (true) {
$date instanceof HelloWorld => 1,
default => false
};
```
Now it is c…
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### Environment
- Operating System: `Darwin`
- Node Version: `v20.9.0`
- Nuxt Version: `3.10.1`
- CLI Version: `3.10.0`
- Nitro Version: `2.8.1`
- Package Manager: `pnpm@8.15.…
-
`in` and `instanceof` expressions in JS
```js
a in obj;
a instanceof C;
```
can be negated by grouping them and applying the `!` operator, i.e.
```js
!(a in obj);
!(a instanceof C);
```
…