<script>
function yanmsgg()
{
if(document.getElementById('msg_jxdanwei').value=='')
{
alert('单位名称不能为空!');
return false;
}
if(document.getElementById('msg_jxlianxiren').value=='')
{
alert('联系人不能为空!');
return false;
}
if(document.getElementById('msg_jxshouji').value=='')
{
alert('手机号码不能为空!');
return false;
}
if (document.getElementById('msg_jxshouji').value.length!=11)
{
alert('手机号码填写有误!');
return false;
}
var mobij=document.getElementById('msg_jxshouji').value;
var reg = /^[\d|\-|\s]+$/;
if (!reg.test(mobij))
{
alert('手机号码填写有误!');
return false;
}
}
</script>
js 验证表单不能为空 示例
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转载自blog.csdn.net/jxl9910/article/details/80736228
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