javascript - How to change an image when active to a seperate image?

Question

I would like to do something similar to what was posted here...

Make Twitter Bootstrap navbar link active

Except instead of an item on the navbar becoming bolded, I would like it to use another image when active. From this...

to this...

Answer 1

在您发布的示例链接中，他们所做的只是将 CSS .active 类添加到活动链接。如果你做同样的事情并将活动类添加到正确的元素中，你可以在 css 中做一些事情，比如，

.active{
    background: url('path/to/image.jpg') no-repeat;
}