将对象数组及其子对象转换为新数组 [英] transform array of object into new array following with its child
本文介绍了将对象数组及其子对象转换为新数组的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个像这样的数组
var data = [
{
name: "Movies", info: "category_name",
content: [
{ name: "Interstellar", info: "category_data" },
{ name: "Dark Knight", info: "category_data" },
]
},
{
name: "Music", info: "category_name",
content: [
{ name: "Adams", info: "category_data" },
{ name: "Nirvana", info: "category_data" },
]
},
{
name: "Places", info: "category_name",
content: [
{ name: "Jordan", info: "category_data" },
{ name: "Punjab", info: "category_data" },
]
},
]
以及想要将其转换为这样的
and a want to transform it into like this
var transformedArray= [
{ name: "Movies", info: "category_name" },
{ name: "Interstellar", info: "category_data" },
{ name: "Dark Knight", info: "category_data" },
{ name: "Music", info: "category_name" },
{ name: "Adams", info: "category_data" },
{ name: "Nirvana", info: "category_data" },
{ name: "Places", info: "category_name" },
{ name: "Jordan", info: "category_data" },
{ name: "Punjab", info: "category_data" },
]
我不知道适合这种情况的关键字是什么, 我曾尝试将其映射到新数组中,但与我期望的不一样
i dont know what is the keyword suitable for this case , i have tried mapping it into new array but it's not same like i expected
var newArr = []
var manipulate = data.map(item => {
return (
newArr.push(item),
new1.map(items => {
return (
new1.push(items)
)
})
)
})
然后如何将数据"转换为"transformedArray"
then how to manipulate "data" into "transformedArray"
推荐答案
使用规范:
if (!Array.prototype.flatMap) {
Object.defineProperty(Array.prototype, 'flatMap', {
configurable: true,
writable: true,
value: function flatMap (callback, thisArg = undefined) {
return this.reduce((array, ...args) => {
const element = callback.apply(thisArg, args);
if (Array.isArray(element)) array.push(...element);
else array.push(element);
return array;
}, []);
}
});
}
const data = [{name:'Movies',info:'category_name',content:[{name:'Interstellar',info:'category_data'},{name:'Dark Knight',info:'category_data'}]},{name:'Music',info:'category_name',content:[{name:'Adams',info:'category_data'},{name:'Nirvana',info:'category_data'}]},{name:'Places',info:'category_name',content:[{name:'Jordan',info:'category_data'},{name:'Punjab',info:'category_data'}]}];
const transformedArray = data.flatMap(({ content, ...o }) => [o, ...content]);
console.log(transformedArray);
这篇关于将对象数组及其子对象转换为新数组的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文