这是我访问数组中第一项的方式,因此在category数组内有一个子类别数组。
console.log(data.Body.Categories[0].CategoryName);
console.log(data.Body.Categories[0].SubCategories[0].CategoryName);
我正在尝试做类似的事情,但是它仍然只显示父类别,而不显示子类别。
jQuery.each(data.Body.Categories, function(index, value) {
console.log(value.CategoryName);
jQuery.each(data.Body.Categories.SubCategories, function(key, val) {
console.log(val.CategoryName);
});
});
答案 0 :(得分:1)
您可以通过在第二个循环中替换此代码来简单地做到这一点:
data.Body.Categories.SubCategories
与此:
value.SubCategories
此处value
代表Categories
数组中的每个对象。
因此,完整代码如下:
jQuery.each(data.Body.Categories, function(index, value) {
console.log('CategoryName: ', value.CategoryName);
jQuery.each(value.SubCategories, function(key, val) {
console.log('Sub-CategoryName: ', val.CategoryName);
});
});
演示:
const Categories = [
{
CategoryName: 'A',
SubCategories: [
{CategoryName: 'A1'}, {CategoryName: 'A2'}
]
},
{
CategoryName: 'B',
SubCategories: [
{CategoryName: 'B1'}, {CategoryName: 'B2'}
]
}
]
jQuery.each(Categories, function(index, value) {
console.log('CategoryName: ', value.CategoryName);
jQuery.each(value.SubCategories, function(key, val) {
console.log('Sub-CategoryName: ', val.CategoryName);
});
});
.as-console-wrapper { max-height: 100% !important; top: 0; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>