remove last character from string js

let str = "Hello Worlds";
str = str.slice(0, -1);var str = "Your string"
str = str.slice(0, -1); 
console.log(str)
//returns "Your strin"str=str.slice(0, -1);const text = 'abcdef'
const editedText = text.slice(0, -1) //'abcde'
let str = "12345.00";
str = str.substring(0, str.length - 1);
console.log(str);