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WeiShurong

WeiShurong

V2EX member #59549, joined on 2014-04-02 12:42:14 +08:00
WeiShurong's recent replies
楼上都说的很好了。补充一下,如果你真的很在乎 render 的次数,你可以使用 React.memo 包裹函数式组件,这样只有 prop 变更时,才会调用(和 shouldComponentUpdate 一样)
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