extJS_方法搜集

参考致谢：https://www.cnblogs.com/glsqh/p/5889316.html

Ext.Array.contains(arr,items); 检查此数组是否包含指定元素
var arr = ["a","b","c"];
Ext.Array.contains(arr,'a');    //true
Ext.Array.contains(arr,'d');    //false


Ext.Array.remove(arr,item);//从数组中移除指定的元素
var arr = [1,2,3,4,5];
Ext.Array.remove(arr,2);    //[1,3,4,5]