为什么我的数组值未定义？ （JavaScript）的

Question

我正在尝试console.log我的＆＃34; images＆＃34;中的一个项目。阵列。这是我到目前为止编写的代码：

＆＃13;

＆＃13;

var projects = {
    projects : [
        {
            "title" : "Jarvis Systems",
            "dates" : "2015",
            "description" : "A simple control panel for stuff.",
            "images" : ["http://www.bitrebels.com/wp-content/uploads/2013/10/MAKO-Voice-Recognition-System-3.jpg", "https://i.ytimg.com/vi/ah6tHb7eWBY/maxresdefault.jpg"]
        }
    ]
};

console.log(projects.projects.images[0])

＆＃13;

＆＃13;

＆＃13;

可悲的是，当我运行代码时，控制台说我的数组是未定义的。当我刚定义时，怎么会这样呢？

Answer 1

将其设为projects.projects[0]而不是projects.projects，因为projects是projects内的数组

＆＃13;

＆＃13;

var projects = {
    projects : [
        {
            "title" : "Jarvis Systems",
            "dates" : "2015",
            "description" : "A simple control panel for stuff.",
            "images" : ["http://www.bitrebels.com/wp-content/uploads/2013/10/MAKO-Voice-Recognition-System-3.jpg", "https://i.ytimg.com/vi/ah6tHb7eWBY/maxresdefault.jpg"]
        }
    ]
};

console.log(projects.projects[0].images[0])

＆＃13;

＆＃13;

＆＃13;

Answer 2

项目中有一个数组。

projects.projects[0].images[0]
//               ^^^

＆＃13;

＆＃13;

var projects = {
    projects : [
        {
            "title" : "Jarvis Systems",
            "dates" : "2015",
            "description" : "A simple control panel for stuff.",
            "images" : ["http://www.bitrebels.com/wp-content/uploads/2013/10/MAKO-Voice-Recognition-System-3.jpg", "https://i.ytimg.com/vi/ah6tHb7eWBY/maxresdefault.jpg"]
        }
    ]
};

console.log(projects.projects[0].images[0])

＆＃13;

＆＃13;

＆＃13;