Change 'Howdy' with any word from your wordpress admin bar without plugins!!

Howdy is a well known word for a wordpress user. which always display in our wordpress sites admin bar for logged in users like this:

If you want to change this default word 'Howdy' with any of word then you can change this word 'Howdy' without any kinds of plugins. for this follow this steps:
1. At first copy below code and paste it in to your wordpress sites themes 'functions.php' file and save it.

function replace_howdy( $wp_admin_bar ) {
$my_account=$wp_admin_bar->get_node('my-account');
$newtitle = str_replace( 'Howdy,', 'Welcome,', $my_account->title );
$wp_admin_bar->add_node( array(
'id' => 'my-account',
'title' => $newtitle,
) );
}
add_filter( 'admin_bar_menu', 'replace_howdy',25 );

If you faces any problem copy code here
Now see your dash board. there displaying 'Welcome' against 'Howdy'. like this:

If you want to use another word except 'Welcome' then change 'Welcome' from above snippets.
Thanks to all for reading my article.