如何使用jQuery从对象获取数据?

时间:2014-08-04 16:54:35

标签: javascript jquery arrays object key

我正在使用一个对象来存储数据。如何获取活动人员的数据,然后在点击链接时,为点击链接的人获取数据?

HTML

<div id="people">
  <a href="#steve" class="active">Steve</a>
  <a href="#mike">Mike</a>
  <a href="#cindy">Cindy</a>
</div>

的JavaScript

var $people = $('#people').find('a'),
    activePerson = $people.hasClass('active'),
    people = {
        steve: [{
            color: 'blue',
            pet: 'bird'
        }],
        mike: [{
            color: 'maroon',
            pet: 'dog'
        }],
        cindy: [{
            color: 'pink',
            pet: 'snake'
        }]
     };

console.log(people.activePerson);

$people.click(function (e) {
    e.preventDefault();

    activePerson = $(this).attr('href').slice(1);

    console.log(people.activePerson);
});

1 个答案:

答案 0 :(得分:2)

您可以在数组中选择它们:

JSFIDDLE:http://jsfiddle.net/L5sHS/

var $people = $('#people').find('a'),
    activePerson = $people.hasClass('active'),
    people = {
        steve: [{
            color: 'blue',
            pet: 'bird'
        }],
        mike: [{
            color: 'maroon',
            pet: 'dog'
        }],
        cindy: [{
            color: 'pink',
            pet: 'snake'
        }]
     };

console.log(people.activePerson);

$people.click(function (e) {
    e.preventDefault();

    activePerson = $(this).attr('href').slice(1);

    console.log(people[activePerson][0].color);
});

在这个例子中,我打印出被点击的人的颜色。