I have a menu and I can open and close the menu clicking on a tag. It works. Also I use OnBlur(). Actually it works too but When I click a div in the menu, OnBlur active, menu closes and div's onclick doesn't works. How can I fix this problem ?
In JavaScript Codes;
<script>
  function Acc_Show() {
    var q = document.getElementById("he-my");
    q.style.display = "";
    document.getElementById("my-account-btn").focus();
    document.getElementById("my-account-btn").setAttribute("onclick", "Acc_Hide()");
  }
  function Acc_Hide() {
    var q = document.getElementById("he-my");
    q.style.display = "none";
    document.getElementById("my-account-btn").setAttribute("onclick", "Acc_Show()");
  }
</script>
In HTML codes;
<a id="my-account-btn" href="javascript:;" onclick="Acc_Show()" onblur="Acc_Hide()">My Account</a>
My Menu's Image;
https://i.stack.imgur.com/OMg6n.png
UPDATES Additional Codes From OP:
<div class="he-myac" id="he-my" style="display:none;">
  <div id="my-account-wrapper">
    <div class="myaccount" onclick="GoAdress('test.aspx')">Test</div>  
    <br/>
    <div class="myaccount" onclick="GoAdress('settings.aspx')" >Settings</div>
    <br/>
    <div class="myaccount" onclick="GoAdress('log_out.aspx')">Log Out</div>
  </div>
 
    