The disabled status of LinkButton is displayed abnormal in IE browser. It's difficult to distinguish if the button is disabled or not. If you try Firefox or Chrome browser, it's easy to distinguish. I think this is a bug and should be fixed. It's ok for the easyui 1.3.4 and earlier versions.

You can try the following link to check:
http://www.jeasyui.com/demo/main/index.php?plugin=LinkButton&theme=default&dir=ltr&pitem=

The disabled status of LinkButton is displayed abnormal in IE browser. It's difficult to distinguish if the button is disabled or not. If you use Firefox or Chrome, it's easy to distinguish. Any idea to fix this issue?

You can try the following link to check the issue:
http://www.jeasyui.com/demo/main/index.php?plugin=LinkButton&theme=default&dir=ltr&pitem=