对象的结构赋值

Question

 ryqk=item.ryqk用对象的结构赋值怎么写，这么写感觉不对
 {ryqk} = { ryqk: item.ryqk} ;

Answer 1

const { ryqk } = item;

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Answer 2

建议看文档 ECMAScript 6 入门

Answer 3

let item = {ryqk: 'ryqk'}
let {ryqk} = item;