游戏陪玩app开发，必须知道的拷贝代码(数组/对象)(深/浅)拷贝letlist=[{name:"o"}];letobj={stu:{name:"o"}};//数组浅拷贝letlistCopy1=[].concat(list);letlistCopy2=list.slice();letlistCopy3=Array.from(list);letlistCopy4=[...li