how to get the first letter of a string in jquery code example

Example 1: jquery get first character of string

var header = $('.time'+col).text();
alert(header.charAt(0));

Example 2: get the first word from a string jquery

$('element').text().split(' ')[0]

Example 3: how to get the first letter of a string in jquery

var header = $('.time'+col).text();
alert(header.charAt(0));