javascript oposite split code example

Example 1: string to array javascript

// If you want to split on a specific character in a string:
const stringToSplit = '01-02-2020';
console.log(stringToSplit.split('-')); 
// ["01", "02", "2020"]

// If you want to split every character:
const stringToSplit = '01-02-2020';
console.log(Array.from(stringToSplit));
// ["0", "1", "-", "0", "2", "-", "2", "0", "2", "0"]

Example 2: javascript join address to string

var address = "foo";
var city;
var state = "bar";
var zip;

text = [address, city, state, zip].filter(Boolean).join(", ");
console.log(text)