const string = "0123456789";
console.log(string.slice(0, 2)); // "01"
console.log(string.slice(0, 8)); // "01234567"
console.log(string.slice(3, 7)); // "3456"const str = 'substr';
console.log(str.substr(1, 2)); // (1, 2): ub
console.log(str.substr(1)); // (1): ubstr
/* Percorrendo de trás para frente */
console.log(str.substr(-3, 2)); // (-3, 2): st
console.log(str.substr(-3)); // (-3): str
const str = "Learning to code";
// 3 ways to get substring in javascript
// 1. substring() method
// 2. slice() method
// 3. substr() method
console.log(str.substring(0, 5));
console.log(str.substring(0, 5));
console.log(str.substr(2, 5));const str = "Learning to code";
// start index is 1, length is 4
console.log(str.substr(1, 10));
// start index is 3, length is 2
console.log(str.substr(3, 2));
// length not given
// string extract to end of the string
console.log(str.substr(5));