Answers for "how to remove last number in javascript"

Javascript remove last character

var str = "Hello";
var newString = str.substring(0, str.length - 1); //newString = Hell

javascript remove last element from array

array.pop();   //returns popped element
//example
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.pop();  // fruits= ["Banana", "Orange", "Apple"];