Trying to name an array just made by new Array

I’m trying to make an array automatically and store it in another array by making an array and using new Array to do this but I don’t know how to name it.

here is my code:

<button id="newArray">New Array</button>

<script>
    let newArray = document.getElementById("newArray")
    let ArrayOfArrays = []
    newArray.addEventListener("click", function() {
        ArrayOfArrays.push(new Array(1,2,3))
        ArrayOfArrays[0].name = numbers
        numbers.push(4)
        console.log(numbers)
    })
</script>

it turns out that .name isn’t what you use for naming it and if it is you can’t call by it. I’ve tried arrayOfArrays[0] but that isn’t efficient enough.