how can i select child element via jquery? -

<div class="slider-box-1">   <div class="swipe-box-1"></div>   <div class="space-1"></div>   <div>the version type</div> </div> 

i want remove child have no class or id.

you can use :not() selector this

$(".slider-box-1").find("div:not([class])").css("color", "red");

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <div class="slider-box-1">    <div class="swipe-box-1">swipe-box-1</div>    <div class="space-1">space-1</div>    <div>the version type</div>  </div>