target left part of a splitted array code example

Example 1: split every n character js

var str = 'abcdefghijkl';
console.log(str.match(/.{1,3}/g));

Example 2: in javascript how to split string

var str = 'It iS a 5r&e@@t Day.'
var array = str.split(" ");
print(array);

var str = 'It iS a 5r&e@@t Day.'
var array = str.split(" ",2);
print(array);