Return pending uncaught Javascript exception

# V8Js::getPendingException

(PECL v8js >= 0.1.0)

V8Js::getPendingException — Return pending uncaught Javascript exception

### 说明

public function V8Js::getPendingException(): V8JsException

Returns any pending uncaught Javascript exception as V8JsException left from earlier V8Js::executeString() call(s).

### 参数

此函数没有参数。

### 返回值

Either V8JsException or `null`.

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