How can i reverse this array using react native ? i tried `myarray.reverse();` but I get below error message.

> 
> TypeError: undefined is not an object (evaluating 'myarray.reverse')
> 
> 
> 

```
const myarray = 
   Array [
      Object {
        "key": "-LrcB3Xcb4QuMtd20TSn",
        "value": Object {
          "question": "26",
          "timestamp": 1571558541642,
          "user": "9jNkvzr0chgPi0SC6rXMlVWdOF12",
        },
      },
      Object {
        "key": "-LrcB3pf0DQuCr_vfP_2",
        "value": Object {
          "question": "27",
          "timestamp": 1571558542861,
          "user": "9jNkvzr0chgPi0SC6rXMlVWdOF12",
        },
      },
    ]

```