# The MongoDB\BSON\Javascript class

(mongodb >=1.0.0)

## 简介

BSON type for Javascript code. An optional scope document may be specified that maps identifiers to values and defines the scope in which the code should be evaluated by the server.

> 注意: This BSON type is mainly used when executing database commands that take a Javascript function as a parameter, such as » mapReduce.

## 类摘要

final class MongoDB\BSON\Javascript implements MongoDB\BSON\JavascriptInterface, MongoDB\BSON\Type, JsonSerializable, Stringable {
/* 方法 */
final public function __construct(string `$code`, array|object|null `$scope` = `null`)
final public function getCode(): string
final public function getScope(): ?object
final public function jsonSerialize(): mixed
final public function __toString(): string
}

## 更新日志

版本 | 说明
--- | ---
PECL mongodb 2.0.0 | 此类不再实现 Serializable 接口。
PECL mongodb 1.12.0 | Implements Stringable for PHP 8.0+.
PECL mongodb 1.3.0 | Implements MongoDB\BSON\JavascriptInterface.
PECL mongodb 1.2.0 | Implements Serializable and JsonSerializable.

## 目录

- MongoDB\BSON\Javascript::__construct — Construct a new Javascript
- MongoDB\BSON\Javascript::getCode — Returns the Javascript's code
- MongoDB\BSON\Javascript::getScope — Returns the Javascript's scope document
- MongoDB\BSON\Javascript::jsonSerialize — Returns a representation that can be converted to JSON
- MongoDB\BSON\Javascript::__toString — Returns the Javascript's code

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