Question

JS验证表单内容不能为空，求js代码

<form action="<%=basePath %>/trainAddAction" method="post" >
<font color="red">*</font>培训者姓名:<input type="text" name="taForm.tnName" /><br/>
<font color="red">*</font>培训标题:<input type="text" name="taFrom.tnTitle" /><br/>
<font color="red">*</font>培训内容:<input type="text"name="taFrom.tnContent" /><br/>
<font color="red">*</font>培训时间:<sx:datetimepicker name="taFrom.tnTime" value="%{'today'}"/> <br/>
<font color="red">*</font>培训地点:<input type="text" name="taFrom.tnAddress" /><br/>
<font color="red">*</font>培训人数:<input type="text"name="taFrom.tnJoin" /><br/>
备注:<input type="text" name="taFrom.tnBz"/><br/>
<input type="submit" value="添加" ></input>
</form>

Answer 1

<input type="submit" value="保 存" onclick="validation()">

<script>
function validation(){
if(document.getEletementById("name").value="":) {
alert("姓名不能为空");
document.getEletementById("name").focus（）;
return false;
}
//其他同上验证！
if(){}
retrun true;

}
</script>

Answer 2

什么意思嘛