<div class="ust-div">
<div class="deneme">
<p>...</p>
</div>
<div class="bir0"></div>
<div class="bir1"></div>
<div class="bir2"></div>
<div class="bir3"></div>
<div class="abc"></div>
</div>

<script>
var ustDiv = document.querySelector(".ust-div");
var deneme = document.querySelector(".deneme");
var abc = document.querySelector(".abc");
ustDiv.insertBefore(deneme, abc)
</script>