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blockly >屏蔽 >getPreviousBlock
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):2024-08-21。
[null,null,["最后更新时间 (UTC):2024-08-21。"],[[["The `getPreviousBlock()` method retrieves the block connected to the previous connection of the current block."],["This method returns the previous block, which is of the `Block` type, or `null` if there's no preceding block connection."]]],["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"]]