why my vad show quickly even m settting time on that to display
here is my code
<div id=“vad”>
<div id=“adcode”>
CODE SHOW HERE
</div>
<div id=“cbut” onClick=“document.getElementById(‘vad’).style.display=‘none’”>CLOSE</div>
</div>
<script>
k=setInterval(‘document.getElementById(“vad”).style.visibility=“visible”’,20000);
v=setInterval(‘document.getElementById(“cbut”).style.visibility=“visible”’,30000)
</script></div>