remove all element of array before add new one in js code example

Example 1: js delete all array items

A.splice(0,A.length)

Example 2: remove element from array javascript

//using filter() method => it returns a new array
data = [1, 2, 3, 4, 5, 6];
let filteredData = data.filter((i) => {
    return i > 2
});
console.log(filteredData) // [3, 4, 5, 6]