Make a jQuery "stick" to the top edge of the browser window?

Hello,

I have been trying to hide and show css with button click:

home.blade.php

    #container{
      display: grid;
      grid-template-columns: 350px auto 300px;
      grid-template-rows: 800px 800px 800px;
      grid-template-areas:
            "menu cont sidenav";
      position: ...

How to take part of url and store it into a variable?

For example:

/home/pages/id --> I want to take id out and store it into $id.

How to do ...

My script merges 18 files and returns all numbers that occur >=13 times within the merger. I timed my script and array_count_values is so slow it accounts for 80% of ...