事件在显示列表中只向上级的父级链冒泡。

An event only bubbles up the parent's chain of ancestors in the display list.

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然后直线摇尾，汇报上级显示业绩。

Then straight Yao Wei, the report showed that higher-level performance.

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然后直线摇尾，汇报上级显示业绩。

Then straight Yao Wei, the report showed that higher-level performance.

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