Open and close side menu with same button

Question

Currently I use one button to display a side menu and another to close it

Answer 1

You can use this simple approach using jQuery data attribute.

Menu Button

$('#menu').on('click', function(){
    if($(this).data('stat') == "close"){
        $(this).data('stat', 'open');

        /* open Menu code */

    }else if($(this).data('stat') == "open"){
        $(this).data('stat', 'close');

        /* close Menu code */

    }
});