take a part of string js code example
Example 1: straforma in string js
var x = new String("Una nuova stringa");
Example 2: reactjs cut part of string
var str = "Hello world!";
var res = str.substring(1, 4);
// res value is "ell"
var x = new String("Una nuova stringa");
var str = "Hello world!";
var res = str.substring(1, 4);
// res value is "ell"