jquery: siblings使用删除当前样式，添加所有siblings样式

div class="hot-purchase">
                    div class="title">热门团购div>
                    dl class="item on">
                        dt>
                            a href="" class="text-area">[text]a>
                            a href="" class="text-name">titlea>
                            span class="price">13000span>
                        dt>
                        dd class="tag-1">
                            span class="tag">titlespan>
                            span class="description">testspan>
                        dd>
                        dd class="tag-2 clearfix">
                            div class="picture-left fl">
                                a href="">img src="../images/consult_hot_purchase.jpg" alt="">a>
                            div>
                            div class="content-right fl">
                                p>descriptionp>
                                a href="">linka>
                            div>
                        dd>
                    dl>
                    dl class="item">
                        dt>
                            a href="" class="text-area">[text]a>
                            a href="" class="text-name">titlea>
                            span class="price">13000span>
                        dt>
                        dd class="tag-1">
                            span class="tag">titlespan>
                            span class="description">testspan>
                        dd>
                        dd class="tag-2 clearfix">
                            div class="picture-left fl">
                                a href="">img src="../images/consult_hot_purchase.jpg" alt="">a>
                            div>
                            div class="content-right fl">
                                p>descriptionp>
                                a href="">linka>
                            div>
                        dd>
                    dl>
                    dl class="item">
                        dt>
                            a href="" class="text-area">[text]a>
                            a href="" class="text-name">titlea>
                            span class="price">13000span>
                        dt>
                        dd class="tag-1">
                            span class="tag">titlespan>
                            span class="description">testspan>
                        dd>
                        dd class="tag-2 clearfix">
                            div class="picture-left fl">
                                a href="">img src="../images/consult_hot_purchase.jpg" alt="">a>
                            div>
                            div class="content-right fl">
                                p>descriptionp>
                                a href="">linka>
                            div>
                        dd>
                    dl>
                    dl class="item">
                        dt>
                            a href="" class="text-area">[text]a>
                            a href="" class="text-name">titlea>
                            span class="price">13000span>
                        dt>
                        dd class="tag-1">
                            span class="tag">titlespan>
                            span class="description">testspan>
                        dd>
                        dd class="tag-2 clearfix">
                            div class="picture-left fl">
                                a href="">img src="../images/consult_hot_purchase.jpg" alt="">a>
                            div>
                            div class="content-right fl">
                                p>descriptionp>
                                a href="">linka>
                            div>
                        dd>
                    dl>
                    dl class="item">
                        dt>
                            a href="" class="text-area">[text]a>
                            a href="" class="text-name">titlea>
                            span class="price">13000span>
                        dt>
                        dd class="tag-1">
                            span class="tag">titlespan>
                            span class="description">testspan>
                        dd>
                        dd class="tag-2 clearfix">
                            div class="picture-left fl">
                                a href="">img src="../images/consult_hot_purchase.jpg" alt="">a>
                            div>
                            div class="content-right fl">
                                p>descriptionp>
                                a href="">linka>
                            div>
                        dd>
                    dl>
                div>

$(document).ready(function () {
        $(‘.consult-right .hot-purchase .item‘).each(function (index) {
            $(this).hover(function () {
                $(this).addClass(‘on‘);
                let siblings = $(this).siblings(‘.item‘);
                siblings.removeClass(‘on‘)
            })
        })
    })