get certain part of string javascript code example

Example 1: js get first 3 characters of string

const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"

Example 2: get part of string javascript

var str="123 - aaaaa"
var num = str.slice(0,3) //num="123"
var name= str.slice(6) //name="aaaaa"