let options = { title: 'menu', width: 100, height: 200 } //若是簡寫,變量名必須和屬性名一致 let {title,width,height} = options console.log(title,width,height) let {title:title2,width,height} = options console.log(title2,width,height) let {title, ...last} = options console.log(title,last) //嵌套對象 let options = { size: { width:100, height:200 }, items:['he','ee'], extra: true } let {size:{width,height},items:[item1],extra} = options console.log(width,height,item1,extra)