Javascript: multi level menu slide on button click

Could you help me with this code? $(document).ready(function(){ /* Panel Slide */ var btn = document.getElementsByClassName(“btnBorder”); var i; for (i = 0; i < btn.length; i++) { ...

Error with menu button toggle css js html

I would like to use part of this code from codepen on my website but the menu button does not currently work. I do not know what the problem is so I have not tried anything to solve it. The code works …

How to make work my mobile menu bar ‘display : none’ ‘display : block’

I’ve a navigation menu which dissappears when the breakpoint is 640px and an icon appears. When I click on this icon my menu reopens and it doesn’t close and when I resize the browser it doesn’t back …