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guoenyue avatar guoenyue commented on May 18, 2024

@AFu-1993 因为第二次遍历时候一个节点也没有，只能跟看他是不是第一个位置的元素，即从左起”第一位“(并不一定是dom索引index为0)开始比较，因为多dom的节点最左侧（索引最小值）只能是0，所以当第一次就立即跳出时，说明第一个元素位置就变了，但是第一个newFiber(3)必须跟一个最小值（0）比较然后更新lastPlacedIndex为3，后续newFiber跟3比较

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