WordPress Menu item > Sub menu Class update

1. How do I change the sub menu class in WordPress?
2. How do I create a dynamic submenu in WordPress?
3. How do I add a class to a menu item in WordPress?
4. How do I get to menu in WordPress?
5. How do I add a class to WP Nav menu li a href?
6. How do I create a multi level menu in WordPress?
7. How do I change a static menu to a dynamic menu in WordPress?
8. How do I show primary menu in WordPress?
9. How do I style a menu in WordPress?
10. How do I get the header menu in WordPress?

How do I change the sub menu class in WordPress?

By this way, only one method needs to be overridden below is the code that you can use:

1. class My_Walker_Nav_Menu extends Walker_Nav_Menu
2. function start_lvl(&$output, $depth)
3. $indent = str_repeat("\t", $depth);
4. $output .= "\n$indent<ul class=\"my-sub-menu\"">