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.substring(0, str.length - 1);let str = 'Masteringjs.ioF';
str.slice(0, -1); // Masteringjs.iolet str = "12345.98";
str = str.substring(0, str.length - 1);
console.log(str);