Block.getRootBlock() 方法
返回此代码块的树中最顶层的代码块。如果此屏蔽设置位于顶层，则会自行返回。
Signature:
getRootBlock(): this;
返回：
此
根代码块。
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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 `getRootBlock()` method identifies and returns the top-level block within a block's hierarchy."],["If the block calling the method is already at the top level, the method will return the block itself."],["It helps in navigating and understanding the structure of block trees in Blockly."]]],["The `Block.getRootBlock()` method identifies the highest block in a block's tree structure. If the block itself is at the top level, the method returns that block. Otherwise, it traces upwards to find and return the root, or top-most, block. The method's signature is `getRootBlock(): this;`, and its return value is \"this,\" representing the root block.\n"]]