JavaScript Otwórz pierwsze 10 znaków ciągu
var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 chars
Grepper
var str = "Hello world That is reallly neat!";
var res = str.substring(0, 5);//get first 5 charsvar str = "Hello world!";
var res = str.substring(1, 4); //ellvar str = "Hello world!";
var res = str.substring(1, 4); //ell