如何解决如何在其中逐项过滤对象数组？ javascript
我想通过一个最喜爱的城市（例如巴黎）过滤这个对象数组，但它不起作用，我想在最喜爱的城市中获取一个包含“巴黎”的对象的数组，请嘿我尝试了几个选项>
const favCity= [{
name: "shaun",favoriteCities: ["Paris","London"]
},{
name: "valerie","NewYork"]
},{
name: "peter",favoriteCities: ["London","Berlin"]
}
]
const res = favCity.filter((ele,i)=>{
return {
name: ele.name,favoriteCities: ele.favoriteCities.filter(element=>
element === "Paris" ? ele.favoriteCities : [])
}
});
console.log(res)
解决方法
let favCity= [{
name: "shaun",favoriteCities: ["Paris","London"]
},{
name: "valerie","NewYork"]
},{
name: "peter",favoriteCities: ["London","Berlin"]
}
]
favCity = favCity.filter(element => element.favoriteCities.includes("Paris"))
console.log(favCity)
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