js问题ajax怎么输出这种json数据？

Question

["3","萌新5367","萌新613","萌新3103",]
<div class="renshu"></div>
<div class="ren"><ul></ul></div>
用ajax把3输出到renshu，把后面不确定数量的名字分别输出到ren的ul里面成<li>