JS实现用户二次确认后再提交表单

HTML代码

<form id="importForm" action="" method="post" enctype="multipart/form-data" onsubmit="return confirmSubmit()">
......
<input id="btnImportSubmit" class="btn btn-primary" type="submit" value="提交"/>
</form>

JS代码

<script type="text/javascript">function confirmSubmit(){if(confirm("您确认要导入该数据吗？")){return true;}else{return false;}};
</script>