remove element form end of array code example

Example 1: javascript delete second last element of array

arr.splice(arr.length - 2, 1);

Example 2: js delete all from array

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

Example 3: take off element form end of array

const colors = ["Blue", "Green", "Red", "Yellow"];
colors.pop();

console.log(colors); // ["Blue", "Green", "Red"]