what does split function do in javascript code example

Example 1: javascript explode

//split into array of strings.
var str = "Well, how, are , we , doing, today";
var res = str.split(",");

Example 2: string split javascript

var myString = "An,array,in,a,string,separated,by,a,comma";
var myArray = myString.split(",");
/* 
*
*  myArray :
*  ['An', 'array', 'in', 'a', 'string', 'separated', 'by', 'a', 'comma']
*
*/

Example 3: 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"]