相关疑难解决方法(0)

我有这个数组:

var columnArray =
['columnNumber1','columnNumber6','coulmnNumber7','columnNumber11','columnNumber12'];

如果我这样做columnArray.sort();,它会给我:

columnArray:
['columnNumber1','columnNumber11','coulmnNumber12','columnNumber6','columnNumber7']

我怎样才能正确排序？