//查找树节点 function findData(curOrg, id) {     var array = [];     if ((typeof curOrg == 'object') && (curOrg.constructor == Object.prototype.constructor)) {       array.push(curOrg);     }     else array = curOrg;     for (var i = 0; i < array.length; i++) {       var jn = array[i];       if (jn.OrgId == id) {         return jn;       }       if (jn.Orgs != "") {         return findData(jn.Orgs, id);       }     }   }

以下方法来自:　http://www.cnblogs.com/sosoft/archive/2013/12/08/3463830.html

//数组去重   function unique(arr) {     var result = [], hash = {};     for (var i = 0, elem; (elem = arr[i]) != null; i++) {       if (!hash[elem]) {         result.push(elem);         hash[elem] = true;        }      }     return result;    }