Где xhost хранит позволенные сетевые адреса?

function myFunction() {
      var x = document.getElementById("myLinks");
      if (x.style.display === "block") {
        x.style.display = "none";
      } else {
        x.style.display = "block";
      }
    }
    
window.onclick = myFunction;

<div class="topnav">
    <a href="#home" class="nt"><strong>NELSON TRAILS</strong></a>
    <div id="myLinks">
    <a class="sub">SHORT WALKS</a>
    <a class="sub">DAY TRIPS</a>
    <a class="sub">MULTI-DAY</a>
    <a class="sub">MAP EXPLORER</a> 
    <a class="sub">TRAIL SEARCH AND FILTER</a>
    <a class="sub">TRAIL ALERTS</a>
    <a class="sub">ABOUT</a>
 </div>
 <a class="icon" onclick="myFunction()"><i class="fa fa-bars">Menu</i></a>
</div>