Javascript inheritance (7)-use inheritance to implement the photo wall function

The implementation of the photo wall is relatively easy, and there are many examples on the Internet. This article focuses on how to implement it using inheritance. What are the benefits of inheritance. We know that the advantage of object-oriented is scalability. This article mainly uses the idea of object-oriented. The following describes how to implement the photo wall: first, layout. It is not difficult to arrange all the photos in order, because the width and height of the images are not fixed, therefore, you only need to define the height of the image, and the width will be scaled according to the height. To achieve the drag effect, you must add the attribute positon: absolute to each image. The layout code is as follows: copy the Code <! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">