remove last 2 letters in javscript code example

Example 1: javascript remove last character from string

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

Example 2: remove last 3 characters from string javascript

str = str.slice(0, -3);

Example 3: javascript remove last character

const base = 'javascript, remove last char!'

const s = base.slice(0, -1);

console.log(s); // javascript, remove last char