I'm trying to create bootstrap collapsing navbar for WordPress template. I have to add some HTML properties such as data-toggle. After researching, I found that must customize the Walker class but start_lvl and start_el just effecting on sub menu.

Generally, how can I create bootstrap collapsing navbar like w3schools and the sublist displayed like here (drop-down menu in collapsing navbar)?

Thanks

I'm trying to create bootstrap collapsing navbar for WordPress template. I have to add some HTML properties such as data-toggle. After researching, I found that must customize the Walker class but start_lvl and start_el just effecting on sub menu.

Generally, how can I create bootstrap collapsing navbar like w3schools and the sublist displayed like here (drop-down menu in collapsing navbar)?

Thanks

• menus
• walker
• sub-menu

Share Improve this question edited Jun 17, 2020 at 18:05 Mort 1305 98355 silver badges1818 bronze badges asked Jun 17, 2020 at 10:45 Mohammad MohammadiMohammad Mohammadi 111 bronze badge

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I think you can use this simple class:

• https://github/wp-bootstrap/wp-bootstrap-navwalker