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# TypeError
The `Napi::TypeError` class is a representation of the JavaScript `TypeError` that is
thrown when an operand or argument passed to a function is incompatible with the
type expected by the operator or function.
The `Napi::TypeError` class inherits its behaviors from the `Napi::Error` class (for more info
see: [`Napi::Error`](error.md)).
For more details about error handling refer to the section titled [Error handling](error_handling.md).
## Methods
### New
Creates a new instance of the `Napi::TypeError` object.
```cpp
Napi::TypeError::New(Napi::Env env, const char* message);
```
- `[in] Env`: The environment in which to construct the `Napi::TypeError` object.
- `[in] message`: Null-terminated string to be used as the message for the `Napi::TypeError`.
Returns an instance of a `Napi::TypeError` object.
### New
Creates a new instance of a `Napi::TypeError` object.
```cpp
Napi::TypeError::New(Napi::Env env, const std::string& message);
```
- `[in] Env`: The environment in which to construct the `Napi::TypeError` object.
- `[in] message`: Reference string to be used as the message for the `Napi::TypeError`.
Returns an instance of a `Napi::TypeError` object.
### Constructor
Creates a new empty instance of a `Napi::TypeError`.
```cpp
Napi::TypeError::TypeError();
```
### Constructor
Initializes a `Napi::TypeError` instance from an existing JavaScript error object.
```cpp
Napi::TypeError::TypeError(napi_env env, napi_value value);
```
- `[in] Env`: The environment in which to construct the `Napi::TypeError` object.
- `[in] value`: The `Napi::Error` reference to wrap.
Returns an instance of a `Napi::TypeError` object.
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