vue中v-for渲染，仅显示3条_v-for只渲染前三个

vue中v-for渲染，实现显示3条，数据arr.slice(0,3)，即可取出arr数据的前三条

<div class="lc-item shadow-bd" v-for="(item,index) in newLessionList.slice(0,3)" @click="goBestStudy(item.id,item.courseId)" :key="index" >
                <div class="lc-cover">
                  <img :src="item.packageCover" alt="">              
                </div>
                <div class="lc-base">
                  <div class="ellipsis">{{item.packageName}}</div>      
                  <p class="ellipsis" >{{item.courseName}}</p>
                  <span>更新于{{substringDate(item.createTime,5,16)}}</span>
                </div>
            
   </div>
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