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);const text = 'abcdef'
const editedText = text.slice(0, -1) //'abcde'
var str = "Hello TecAdmin!";
var newStr = str.slice(0, -1);let str = "12345.00";
str = str.substring(0, str.length);
console.log(str);