javascript - value取值问题。有SegmentFault

<code>    <ul style="list-style:none;width:100%;padding: 0;margin: 0;">
        {foreach from=$sub_series item=sub}
        <li class="s{$sub.parent_id}" name="sub_cate_id" id="sub_cate_id" onclick="searchGoods();" value="{$sub.sapval}">{$sub.cat_name}</li>
        {/foreach}
    </ul>
</code>

<code>    <ul style="list-style:none;width:100%;padding: 0;margin: 0;">
        {foreach from=$sub_series item=sub}
        <li class="s{$sub.parent_id}" name="sub_cate_id" id="sub_cate_id" onclick="searchGoods();" value="{$sub.sapval}">{$sub.cat_name}</li>
        {/foreach}
    </ul>
</code>