what does split do javascript code example

Example 1: 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 2: javascript split

var arr = ['hey', 'nay', 'wey'];
var let = arr.split(' ');
console.log(let);

Example 3: javascript split

var names = 'Harry ;Fred Barney; Helen Rigby ; Bill Abel ;Chris Hand ';

console.log(names);

var re = /\s*(?:;|$)\s*/;
var nameList = names.split(re);

console.log(nameList);

Example 4: how to split a string in javascript

strName.split(); // My code