[英]How to turn this array into a JavaScript object?
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(panoramaList)
换句话说,它需要这样:
{
name: '',
description: ''.
livingroom: Array[0],
study: Array[1],
bedroom: Array[0]
}
并将其转换为:
[
{ livingroom: Array[0] },
{ study: Array[1] },
{ bedroom: Array[0] }
]
但是,我需要生产的是:
{
livingroom: Array[0],
study: Array[1],
bedroom: Array[0]
}
如何做到这一点?
尝试这个
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];
}
});
改变这个:
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)
对此:
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并尝试如下操作:
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];
}
});
确保定义panoramaList
作为对象。
这有效
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);
您可能只需要从拥有的对象中删除不需要的属性,而不是构建新的对象:
var data = { name: '', description: '', livingroom: [], study: [1], bedroom: [0] }; Object.keys(data).forEach(function(key) { if (!Array.isArray(data[key])) delete data[key]; }) document.write(JSON.stringify(data));
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