问题:的JavaScript - 儿童元素,会同时使用一个for循环重复
我愿意得到一个子元素称为optionName
(你可以看一下JSON数组下面有一个清晰的概念发生了什么),这需要我从一个嵌套的循环中获取它。到目前为止,我可以得到;但是,当我尝试将该子元素的值分配给变量(代码部分中的第5行)时出现问题,而我正在执行以下additions += i.optionName
,这会使i.optionName
的值被排序(一个接一个地排序,类似于数组),子元素得到积累,这使得下面出现:
Meal : Big Mac
Options :
Normal Ou Maxi ? : Maxi
Choix du boisson : Fanta Orange
Choix des frites : Frites steak house
Category : Menus
Qty : 1
Price : 49
Meal : Chicken McNuggets X6
Options :
//The first block is repeated again which is normal as I used additions +=**
Normal OR Big ? : Big
Choix du boisson : Fanta Orange
Choix des frites : Steak house
Normal OR Big ? : Normal
Choix du boisson : Sprite
Choix des frites : Steak house**
Category : Menus
Qty : 1
Price : 45
总之它变得尽可能的父元素更糟糕的还不止这些。你可能会说我为什么这么做,答案是因为在这个特殊情况下它需要是一个字符串,下面的变量dishes
!
当前的代码:
let dishes = '';
let additions = '';
var msg = MessageContent.orderedDishes.forEach(function(element) {
for(var i of element.selectedAdditions){
additions += i.optionName +
' : '
+ i.Name + '\n';
}
dishes +=
'Meal : ' + element.dishName + '\n' +
'Options : \n' + additions + '\n' +
'Category : ' + element.categoryName + '\n' +
'Qty : ' + element.qty+ '\n' +
'Price : ' + element.price + '\n\n';
});
这里是JSON数组我试图遍历:
[{
"objectId": "Kakao0MiRE",
"price": 49,
"dishName": "Big Mac",
"categoryName": "Menus",
"selectedAdditions": [{
"optionName": "Normal Ou Big ?",
"Name": "Big",
"Price": 5
}, {
"optionName": "Drink",
"Name": "Fanta Orange",
"Price": 0
}, {
"optionName": "Fries",
"Name": "Steak house",
"Price": 0
}],
"additionalPrice": 5,
"qty": 1
}, {
"objectId": "kOP90Ld8b9",
"price": 45,
"dishName": "Chicken McNuggets X6",
"categoryName": "Menus",
"selectedAdditions": [{
"optionName": "Normal Ou Maxi ?",
"Name": "Normal",
"Price": 0
}, {
"optionName": "Drink",
"Name": "Sprite",
"Price": 0
}, {
"optionName": "Fries",
"Name": "Frites steak house",
"Price": 0
}],
"additionalPrice": 0,
"qty": 1 }]
很棒!我不知道为什么我没看见它!谢谢! +1 –
很高兴你发现这有帮助:) – Pineda