JavaScript Eliminar el último carácter de la cadena
var str = 'mystring';
// the character 'g' will be removed
str = str.slice(0, -1);
Coding Random Things
var str = 'mystring';
// the character 'g' will be removed
str = str.slice(0, -1);let str = "Hello Worlds";
str = str.slice(0, -1);str = str.slice(0, -3);var str = "Hello";
var newString = str.substring(0, str.length - 1); //newString = Hellvar str = "Hello TecAdmin!";
var newStr = str.slice(0, -1);
let str = "12345.00";
str = str.substring(0, str.length - 1);