Answers for "how to delete last number in js"

remove last character javascript

const text = 'abcdef'
const editedText = text.slice(0, -1) //'abcde'

how to remove the last element of an array in javascript

let cars = ['BMW', 'Benz', 'Audi'];

cars.pop(); // ['BMW', 'Benz']

javascript array remove last

// example (remove the last element in the array)
let yourArray = ["aaa", "bbb", "ccc", "ddd"];
yourArray.pop(); // yourArray = ["aaa", "bbb", "ccc"]

// syntax:
// <array-name>.pop();