I am trying to remove object from array and get the resulted array.I am using remove function but it is not working perfectly 
Here is my input

I need to remove all value of array which have `"file": "Id"`

here is my fiddle

```
for (var i = 0; i < arr.length; i++) {
    for (var k = 0; i < arr[i].columns.length; i++)
    arr[i].columns[0].remove()
}

```