# JavaScriptExecutionException

Artifact: [androidx.webkit:webkit](https://developer.android.com/jetpack/androidx/releases/webkit) [View Source](https://cs.android.com/search?q=file:androidx/webkit/JavaScriptExecutionException.java+class:androidx.webkit.JavaScriptExecutionException) Added in [1.16.0](https://developer.android.com/jetpack/androidx/releases/webkit#1.16.0)

*** ** * ** ***


```
public class JavaScriptExecutionException extends Exception
```

<br />

|---|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object.html) ||||
| ↳ | [kotlin.Throwable](https://developer.android.com/reference/java/lang/Throwable.html) |||
|   | ↳ | [java.lang.Exception](https://developer.android.com/reference/java/lang/Exception.html) ||
|   |   | ↳ | [androidx.webkit.JavaScriptExecutionException](https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException) |

*** ** * ** ***

Exception thrown when there was an error executing JavaScript via `https://developer.android.com/reference/androidx/webkit/JavaScriptReplyProxy#executeJavaScript(java.lang.String,androidx.webkit.WebViewOutcomeReceiver<java.lang.String,androidx.webkit.JavaScriptExecutionException>)`.

## Summary

| ### Constants |
|---|---|
| `static final int` | `https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException#ERROR_FRAME_DESTROYED() = 1` Error code for the web frame that was executing JavaScript was destroyed before execution. |
| `static final int` | `https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException#ERROR_GENERIC() = 0` Error code for a generic/unknown error occurred while executing JavaScript. |

| ### Public methods |
|---|---|
| `int` | `https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException#getErrorType()()` |

### Inherited methods

From [java.lang.Throwable](https://developer.android.com/reference/java/lang/Throwable.html) `synchronized final void` `https://developer.android.com/reference/java/lang/Throwable.html#addSuppressed(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable.html exception)` `synchronized https://developer.android.com/reference/java/lang/Throwable.html` `https://developer.android.com/reference/java/lang/Throwable.html#fillInStackTrace()()` `synchronized https://developer.android.com/reference/java/lang/Throwable.html` `https://developer.android.com/reference/java/lang/Throwable.html#getCause()()` `https://developer.android.com/reference/java/lang/String.html` `https://developer.android.com/reference/java/lang/Throwable.html#getLocalizedMessage()()` `https://developer.android.com/reference/java/lang/String.html` `https://developer.android.com/reference/java/lang/Throwable.html#getMessage()()` `StackTraceElement[]` `https://developer.android.com/reference/java/lang/Throwable.html#getStackTrace()()` `synchronized final Throwable[]` `https://developer.android.com/reference/java/lang/Throwable.html#getSuppressed()()` `synchronized https://developer.android.com/reference/java/lang/Throwable.html` `https://developer.android.com/reference/java/lang/Throwable.html#initCause(java.lang.Throwable)(https://developer.android.com/reference/java/lang/Throwable.html cause)` `void` `https://developer.android.com/reference/java/lang/Throwable.html#printStackTrace()()` `void` `https://developer.android.com/reference/java/lang/Throwable.html#setStackTrace(java.lang.StackTraceElement[])(StackTraceElement[] stackTrace)` `https://developer.android.com/reference/java/lang/String.html` `https://developer.android.com/reference/java/lang/Throwable.html#toString()()`

## Constants

### ERROR_FRAME_DESTROYED

Added in [1.16.0](https://developer.android.com/jetpack/androidx/releases/webkit#1.16.0)

```
public static final int ERROR_FRAME_DESTROYED = 1
```

Error code for the web frame that was executing JavaScript was destroyed before execution.

### ERROR_GENERIC

Added in [1.16.0](https://developer.android.com/jetpack/androidx/releases/webkit#1.16.0)

```
public static final int ERROR_GENERIC = 0
```

Error code for a generic/unknown error occurred while executing JavaScript.

## Public methods

### getErrorType

Added in [1.16.0](https://developer.android.com/jetpack/androidx/releases/webkit#1.16.0)

```
public int getErrorType()
```

| Returns |
|---|---|
| `int` | the type of error that caused this exception. See `https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException#ERROR_FRAME_DESTROYED()` and `https://developer.android.com/reference/androidx/webkit/JavaScriptExecutionException#ERROR_GENERIC()`. |