how to remove empty files while splice in javascript code example

Example 1: empty array js

// define Array
let list = [1, 2, 3, 4];
function empty() {
    //empty your array
    list = [];
}
empty();

Example 2: empty array js

let list = [1, 2, 3, 4];
function empty() {
    //empty your array
    list.length = 0;
}
empty();