如何将此数组转换为JavaScript对象?
以下代码循环遍历JavaScript对象并仅收集作为数组的属性:如何将此数组转换为JavaScript对象?,javascript,Javascript,以下代码循环遍历JavaScript对象并仅收集作为数组的属性: const building = this.building let panoramaList = [] for (let key in building) { const panoramas = building[key] if (Array.isArray(panoramas)) { panoramaList.push({ [key]: panoramas }) } } console.log(panora
const building = this.building
let panoramaList = []
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList.push({ [key]: panoramas })
}
}
console.log(panoramaList)
换句话说,它需要:
{
name: '',
description: ''.
livingroom: Array[0],
study: Array[1],
bedroom: Array[0]
}
并将其转化为:
[
{ livingroom: Array[0] },
{ study: Array[1] },
{ bedroom: Array[0] }
]
然而,我需要制作的是:
{
livingroom: Array[0],
study: Array[1],
bedroom: Array[0]
}
如何做到这一点?试试这个
var output = Object.keys(building).map(function(val){ return { val : building[val] } });
对于最终输出
var panoramaList = {}
Object.keys(building).forEach(function(val){
if ( Array.isArray(building[val] )
{
panoramaList[val] = building[val];
}
});
试试这个
var output = Object.keys(building).map(function(val){ return { val : building[val] } });
对于最终输出
var panoramaList = {}
Object.keys(building).forEach(function(val){
if ( Array.isArray(building[val] )
{
panoramaList[val] = building[val];
}
});
更改此项:
const building = this.building
let panoramaList = []
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList.push({ [key]: panoramas })
}
}
console.log(panoramaList)
为此:
const building = this.building
let panoramaList = {}
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList[key]=panoramas
}
}
console.log(panoramaList)
更改此项:
const building = this.building
let panoramaList = []
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList.push({ [key]: panoramas })
}
}
console.log(panoramaList)
为此:
const building = this.building
let panoramaList = {}
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList[key]=panoramas
}
}
console.log(panoramaList)
使用Object.keys并尝试以下操作:
var input = {} //...your input array
var keys = Object.keys(input);
var result = {};
keys.forEach(function (key) {
if (Array.isArray(input[key])) {
result[key] = input[key];
}
});
使用Object.keys并尝试以下操作:
var input = {} //...your input array
var keys = Object.keys(input);
var result = {};
keys.forEach(function (key) {
if (Array.isArray(input[key])) {
result[key] = input[key];
}
});
确保将
全景列表
定义为对象
这很有效
var arrays = {
name: '',
description: '',
livingroom: ['1','www'],
study: ['2','sss'],
bedroom: ['3','aaa'],
Kitchen: ['4','bbb'],
}
const building = arrays
let panoramaList = {};
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList[key] = panoramas;
}
}
console.log(panoramaList);
确保将
全景列表
定义为对象
这很有效
var arrays = {
name: '',
description: '',
livingroom: ['1','www'],
study: ['2','sss'],
bedroom: ['3','aaa'],
Kitchen: ['4','bbb'],
}
const building = arrays
let panoramaList = {};
for (let key in building) {
const panoramas = building[key]
if (Array.isArray(panoramas)) {
panoramaList[key] = panoramas;
}
}
console.log(panoramaList);
您可能只需要从您拥有的对象中删除不需要的属性,而不是构建新对象:
var数据={
名称:“”,
说明:“”,
客厅:[],
研究:[1],
卧室:[0]
};
Object.keys(数据).forEach(函数(键){
如果(!Array.isArray(数据[key])删除数据[key];
})
document.write(JSON.stringify(data))代码>您可能只需要从您拥有的对象中删除不需要的属性,而不是构建新对象:
var数据={
名称:“”,
说明:“”,
客厅:[],
研究:[1],
卧室:[0]
};
Object.keys(数据).forEach(函数(键){
如果(!Array.isArray(数据[key])删除数据[key];
})
document.write(JSON.stringify(data))
您可能想阅读此文,为什么不删除不需要的属性?@RobG您能提供一个示例代码吗?您可能想阅读此文,为什么不删除不需要的属性?@RobG您能提供一个示例代码吗?谢谢,但我得到键
未在“building[key]中定义`.output应该是一个对象,并且只有数组应该作为属性插入,而不是作为数组中的own对象插入。谢谢,但是'building[key]`中没有定义I getkey
。output应该是一个对象,并且只有数组应该作为属性插入,而不是作为数组中的own对象插入。