Can I limit the length of an array in JavaScript?

Question

I want to display the product browsing history, so I am storing the product ids in a browser cookie.

Because the list of history is limited to 5 items, I convert the

Answer 1

I think you could just do:

let array = [];
array.length = 2;
Object.defineProperty(array, 'length', {writable:false});


array[0] = 1 // [1, undefined]

array[1] = 2 // [1, 2]

array[2] = 3 // [1, 2] -> doesn't add anything and fails silently

array.push("something"); //but this throws an Uncaught TypeError