Introduction to ExtJS Let You Know What extjs is

(Wlr blog Application)

(ExtJS Table Control)

(ExtJS pop-up box effects for different themes)

ExtJS is written in javascript and is mainly used to create a front-end user interface. It is a front-end ajax framework unrelated to background technology. Therefore, ExtJS can be used in applications developed in. Net, Java, Php, and other development languages.
ExtJs was initially developed by Jack Slocum, a developer based on YUI technology. It organizes visual components by referring to Java Swing and other mechanisms, regardless of CSS style applications on the UI, exception Handling on data parsing can be regarded as a rare excellent JavaScript Client technology.