Javascript 获取对象数组中对象属性的值
我有一组对象:Javascript 获取对象数组中对象属性的值,javascript,jquery,javascript-objects,Javascript,Jquery,Javascript Objects,我有一组对象: var ads = [ { adName: "Football Team", adText: ["....","...."], adImg: ["images/img1.png", "images/img2.png", "", "", ""], adPreviewLink: "templateA", adSeconds: 15, adTime: ad1Time },{ adName: "Basketball Team"
var ads = [
{
adName: "Football Team",
adText: ["....","...."],
adImg: ["images/img1.png", "images/img2.png", "", "", ""],
adPreviewLink: "templateA",
adSeconds: 15,
adTime: ad1Time
},{
adName: "Basketball Team",
adText: ["...","..."],
adImg: ["images/img-b1.png", "images/img-b2.png", "", "", ""],
adPreviewLink: "templateB",
adSeconds: 10,
adTime: ad2Time
}];
adTime属性也是一个对象:
var ad1Time = {
hours: ["6","12"],
day: [weekdaysEnum.monday, weekdaysEnum.wednsday],
month: [monthEnum.march, monthEnum.april],
year: 2016,
daysNumber: []
}
现在我想检查adTime>>年,但我得到一个错误
未捕获的TypeError:无法读取未定义的属性“year”
下面是我如何检查该属性的:
var date = new Date();
var now_day = date.getDate();
var now_month = date.getMonth();
var now_year = date.getFullYear();
for (var i = 0; i < ads.length; i++) {
if (ads[i].adTime.year == now_year) {
for(var index_month; index_month < ads[i].adTime.month.length; index_month++)
{
if(ads[i].adTime.month[index_month] == now_month)
console.log(ads[i].adName);
}
}
}
var-date=新日期();
var now_day=date.getDate();
var now_month=date.getMonth();
var now_year=date.getFullYear();
对于(变量i=0;i
那么错误在哪里(这里的错误是:ads[i].adTime.year)?谢谢。您需要在“ads”之前定义“ad1Time”和“ad2Time” 当然可以。它看起来和ad1Timecode一样,看起来不错。你能创建一个plunkr吗?或者共享数据…给我们看完整的代码。你应该首先定义一个var,然后使用它。我想你已经定义了ad1Time,ad2Time,在你写ads之后。我在对象数组之后定义了对象。谢谢