let a = {id:0,name:'xg',val:'10'} 当前需求 只想要a1 = {id:0,name:'xg'} 这样的对象 let {val,...date} = a; 此时的date 就为a1
let a = {id:0,name:'xg',val:'10'}
当前需求 只想要a1 = {id:0,name:'xg'} 这样的对象
let {val,...date} = a;
此时的date 就为a1
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