javascript fetta stringa di caratteri
var input = 'john smith~123 Street~Apt 4~New York~NY~12345';
var fields = input.split('~');
var name = fields[0];
var street = fields[1];
JavaScript Dividere la stringa in un array di caratteri
// split the text into array of chars using empty string
console.log("ABCDEFGHIJK".split(''));
// split the text into array of chars using empty string and limit to 3 chars
console.log("ABCDEFGHIJK".split('', 3));