<div class="screen-price">
    <ul class="screen-price-list clearfix" data-type="price">
        <li data-price='1-99'><a>1-99</a></li>
        <li data-price='100-199'><a>100-199</a></li>
        <li data-price='200-299'><a>200-299</a></li>
        <li data-price='300以上'><a>300以上</a></li>
    </ul>
</div>

var arr=[];
$('.screen-box .btn-ok').on('click',function(){
    arr=[];
    $('.screen-box li.active').each(function(i,itme){
        var _t=$(this).parent().data('type');
        if(!arr[_t]){
            arr[_t]=[];
        }
        arr[_t].push($(this).data(_t));
    })
    console.log(arr);
})