怎样获取script写的模板中的值
<script type="text/html" id="permission-template">
<div>
<textarea id="ar" style="width: 745px;height: 450px;margin-left: 18px;margin-top: 10px;margin-bottom: 10px;"></textarea>
</div>
<br/>
<div style="text-align:center;clear:both">
<a class="easyui-linkbutton" data-options="iconCls:'icon-ok'" data-bind="click:confirmClick" href="javascript:void(0)" >确定</a>
<a class="easyui-linkbutton" data-options="iconCls:'icon-cancel'" data-bind="click:cancelClick" href="javascript:void(0)">取消</a>
</div>
</script>