雖然我睇唔明你問咩
但你應該係想問child rerender點樣"唔"rerender parent
表面答案係react同vue都行Virtual DOM, 基本只會diff完再replace實質有change既野
angular複雜少少, 用既係incremental DOM, Ivy engine會知點樣用shortest path去改dom
但對我黎講rerender唔係單純dom change咁少野, 做performance tuning應該要識得阻止埋佢行晒成個Virtual DOM/Change Detection