Ext JS is one of the most famous Javascr ipt frameworks used to create rich interactive web applications using techniques such as Ajax, DHTML, JSON, and DOM scr ipting. It provides a complete rich set of GUI controls, has an excellent API for AJAX a
extjs6.2更新版本，修复多个bug，建议6.2的升级 With Ext JS 6.2 every effort has been made to ensure a high degree of compatibility with existing code, but there have been some compromises and minor differences introduced. This article will cover the important change
