Javascript-js tutorial

Generally, we can determine the js image size by using the images object, and then use attr to obtain the image address before making a judgment. This article describes how to use Javascript to determine the size of an image. For more information about how to determine the size of a Javascript image, see. Use the images object, and then use attr to obtain the image address for judgment.Here are some examples.
The simplest method:

The Code is as follows:

Var img = new Image ();
Img. src = $ ('# tlogo'). attr ('src ');
If (img. width> '123 '){
$ ('# Tlogo'). attr ('width', '2013 ');
}

In the preceding example, if the page is not loaded, js cannot get the image size. Therefore, we can determine whether the page is loaded or not before determining the image size.

The Code is as follows: