Block.getPreviousBlock() 方法
返回连接到上一个连接的块。
Signature:
getPreviousBlock(): Block | null;
返回：
屏蔽 |null
上一个语句块或 null。
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最后更新时间 (UTC)：2025-07-28。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-28。"],[],["The `Block.getPreviousBlock()` method retrieves the block connected to the previous connection of a given block. This method's signature is `getPreviousBlock(): Block | null;`. It returns either a `Block` object, representing the preceding statement block, or `null` if no block is connected to the previous connection.\n"]]