从JavaScript对象提取数据
我需要知道,如果我有这样的响应,我如何提取数据从JavaScript对象提取数据,javascript,Javascript,我需要知道,如果我有这样的响应,我如何提取数据 Object {cast: Object} cast: Array[5] 0: Object text: "Select Any" value: "000" __proto__: Object 1: Object 2: Object 3: Object 4: Object var resp
Object {cast: Object}
cast: Array[5]
0: Object
text: "Select Any"
value: "000"
__proto__: Object
1: Object
2: Object
3: Object
4: Object
var response = {};
response = showData();
在其余对象中使用相同的模式
更新1
我有这样的数组
Object {cast: Object}
cast: Array[5]
0: Object
text: "Select Any"
value: "000"
__proto__: Object
1: Object
2: Object
3: Object
4: Object
var response = {};
response = showData();
当我console.log(响应)
然后,在我的控制台中,将显示上述输出
当我尝试response.length时,它会显示未定义的
更新2
function showData(){
var foodSubCatagories1 = {};
foodSubCatagories1.cast = _context.FoodGroup.forEach(function(FG)
{
$('#selectCatagoryFood').append('<option value="'+FG.FoodGroupID+'">'+FG.Description+'</option>');
}).then(function(){
$('#selectCatagoryFood').selectmenu('refresh');
foodSubCatagories1.cast = [
{
value: "000",
text: "Select Any"
},
{
value: "1",
text: "Juice"
},
{
value: "2",
text: "Dairy"
},
{
value: "3",
text: "Farm"
},
{
value: "4",
text: "Custom"
}
];
return foodSubCatagories1.cast;
});
return foodSubCatagories1;
函数showData(){
var foodsubcategories1={};
FoodSubCategories1.cast=_context.FoodGroup.forEach(函数(FG)
{
$('selectCatagoryFood')。追加(''+FG.Description+'');
}).然后(函数(){
$(“#选择分类食品”)。选择菜单(“刷新”);
FoodSubcategories1.cast=[
{
值:“000”,
文本:“选择任意”
},
{
值:“1”,
文字:“果汁”
},
{
值:“2”,
文本:“乳制品”
},
{
值:“3”,
正文:“农场”
},
{
值:“4”,
文本:“自定义”
}
];
返回食物子类别1.cast;
});
退货食品分类1;
}循环通过obj.cast
并访问obj.cast[idx].text
etcObject.cast?你试过了吗?@caffinatedmonkey我更新了我的问题,请复习it@PSL我更新了我的问题,请检查它完成了,您的数组是子对象注意:使用for..in
和array
。而且,c
将是一个键,而不是一个值。