<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/[email protected]/lib/index.js"></script>
<div id="app">
<el-collapse v-model="activeName" accordion @change="onChange">
<el-collapse-item title="Consistency" name="1">
<div>Consistent with real life: in line with the process and logic of real life, and comply with languages and habits that the users are used to;</div>
<div>Consistent within interface: all elements should be consistent, such as: design style, icons and texts, position of elements, etc.</div>
</el-collapse-item>
<el-collapse-item title="Feedback" name="2">
<div>Operation feedback: enable the users to clearly perceive their operations by style updates and interactive effects;</div>
<div>Visual feedback: reflect current state by updating or rearranging elements of the page.</div>
</el-collapse-item>
<el-collapse-item title="Efficiency" name="3">
<div>Simplify the process: keep operating process simple and intuitive;</div>
<div>Definite and clear: enunciate your intentions clearly so that the users can quickly understand and make decisions;</div>
<div>Easy to identify: the interface should be straightforward, which helps the users to identify and frees them from memorizing and recalling.</div>
</el-collapse-item>
<el-collapse-item title="Controllability" name="4">
<div class="controllbility" >
No Data
</div>
</el-collapse-item>
</el-collapse>
</div>