Удалить из HTML узел с нужным классом

        var notAvail = document.querySelectorAll('.globalFrameProduct.not-avail'); 
        var spanElement = notAvail.querySelectorAll('.price.priceVariant'); 
         
        for(var i = 0; i < spanElement.length; i++){ 
            spanElement.parentNode.removeChild(spanElement); 
        } 
    } 

<li class="globalFrameProduct not-avail  " data-pos="top" style=""> 
    <!-- Start. Photo & Name product --> 
    <a href="https://........." class="frame-photo-title" title="Сплит система Royal Clima"> 
        <span class="title">Сплит система Royal Clima CO-F36HN/CO-E36HN</span> 
        <span class="photo-block"> 
            <span class="helper"></span> 
            <img src="https://..../uploads/shop/products/medium/3281c909-6af5-11e8-9976-ac220bccaa05_1b566584-6afa-11e8-9976-ac220bccaa05.jpeg" alt="" class="vImg"> 
                <div class="module_stock"></div> 
            </span> 
        </a> 
        <!-- End. Photo & Name product --> 
        <div class="description"> 
            <!-- Start. article & variant name & brand name --> 
            <div class="dop_info_box"> 
                <table class="dop_info"> 
                    <tbody> 
                        <tr> 
                            <td>Производитель</td> 
                            <td> 
                                <a href="https://..../shop/brand/royal-clima"> 
                                    Royal Clima 
                                </a> 
                            </td> 
                        </tr> 
                        <tr> 
                            <td> 
                                Серия</td> 
                            <td>CO-F-HN</td> 
                        </tr> 
                        <tr> 
                            <td> 
                                Наличие</td> 
                            <td>в наличии</td> 
                        </tr> 
                        <tr> 
                            <td> 
                                Гарантия</td> 
                            <td>3 года</td> 
                        </tr> 
                        <tr> 
                            <td>Артикул:</td> 
                            <td> 
                                .... 
                            </td> 
                        </tr> 
                    </tbody> 
                </table> 
            </div> 
            <div class="frame-variant-name-code"></div> 
            <!-- End. article & variant name & brand name --> 
            <!-- 
                        		--> 
            <!-- Start. Prices--> 
                <div class="frame-prices f-s_0"> 
                <!-- Start. Product price--> 
                    <span class="current-prices f-s_0"> <span class="price-new"> <span><span class="price priceVariant"> 80 180 
                            </span><span class="curr"> руб 
                        </span> 
                    </span> 
                </span> 
            </span> 
                <!-- End. Product price--> 
            </div> 
            <!-- End. Prices--> 
            <div class="funcs-buttons frame-without-top"> 
                <!-- Start. Collect information about Variants, for future processing --> 
                <div class="js-variant-35372 js-variant"> 
                    <div class="alert-exists">Нет в наличии</div> 
                    <div class="btn-not-avail"> 
                        <button class="infoBut isDrop" type="button" data-drop=".drop-report" data-source="/shop/ajax/getNotifyingRequest" data-id="35372" data-product-id="34483" data-name="..." data-vname="" data-number="15407" data-price="80180" data-add-price="" data-orig-price="" data-medium-image=" 
                                https://..../uploads/shop/products/medium/3281c909-6af5-11e8-9976-ac220bccaa05_1b566584-6afa-11e8-9976-ac220bccaa05.jpeg                " data-img=" 
                                https://..../uploads/shop/products/small/3281c909-6af5-11e8-9976-ac220bccaa05_1b566584-6afa-11e8-9976-ac220bccaa05.jpeg                " data-maxcount="0" data-url="https://..../shop/product/split-sistema-royal-clima-co-f36hn-co-e36hn"></button> 
                    </div> 
                </div> 
            </div> 
            <!-- End. Collect information about Variants, for future processing --> 
            <div class="frame-without-top"> 
                <!-- Wish List & Compare List buttons --> 
                <div class="frame-wish-compare-list  t-a_j"> 
                    <div class="frame-btn-comp"> 
                        <!-- Start. Compare List button --> 
                        <div class="btn-compare"> 
                            <div class="toCompare btnCompare" data-id="34483" type="button" data-title="Сравнить" data-firtitle="Сравнить" data-sectitle="В сравнении" data-rel="tooltip"> 
                                <span class="niceCheck nstcheck"> 
                                    <input type="checkbox"></span> 
                                    <span class="text-el d_l">Сравнить</span> 
                                </div> 
                            </div> 
                            <!-- End. Compare List button --> 
                        </div> 
                    <!----> 
                        <!-- Start. Wish list buttons  
        <div class="frame-btn-wish js-variant-35372 js-variant d_i-b_" > 
        <div class="btnWish btn-wish " data-id="35372"> 
    <button  
        class="toWishlist" 
        type="button" 
        data-rel="tooltip" 
        data-title="В избранные" 
 
                    data-drop="#wishListPopup" 
            data-source="https://..../wishlist/renderPopup/35372" 
                        > 
        <span class="icon_wish"></span> 
        <span class="text-el d_l">В избранные</span> 
    </button> 
    <button class="inWishlist" type="button" data-rel="tooltip" data-title="В избранныx" style="display: none;"> 
        <span class="icon_wish"></span> 
        <span class="text-el d_l">В избранныx</span> 
    </button> 
</div> 
<script> 
langs["Create list"] = 'Create list'; 
langs["Wrong list name"] = 'Wrong list name'; 
langs["Already in Wish List"] = 'Already in Wish List'; 
langs["List does not chosen"] = 'List does not chosen'; 
langs["Limit of Wish List finished "] = 'Limit of Wish List finished '; 
</script>    </div> 
         End. wish list buttons --> 
                        <!----> 
                    </div> 
                    <!-- End. Wish List & Compare List buttons --> 
                </div> 
                <!-- End. Collect information about Variants, for future processing --> 
                <div class="frame-without-top"><!--Start. Description--> 
                    <!--        <div class="short-desc"> 
            Уважаемые покупатели!...        </div> 
        --> 
                    <!-- End. Description--> 
                </div> 
            </div> 
        <!-- Start. Remove buttons if compare--> 
            <!-- End. Remove buttons if compare--> 
            <!-- Start. For wishlist page--> 
            <!-- End. For wishlist page--> 
            <!--<div class="decor-element"></div>--> 
        </li>