初学,求助!
初学javascript遇到问题拉,大家帮看看,谢谢了做表单验证这是javascript:
<script language="javascript">
<!--
function check(){
if(document.from2.username.value==""){
alert("学员姓名不能为空!");
document.form2.username.focus();
return false
}
if(document.form2.usercompany.value==""){
alert("请填写学员单位");
document.form2.usercompany.focus();
return false
}
if(document.form2.userclass.value==""){
alert("请填写培训班名称 ！");
document.form2.usercalss.focus();
return false
}
if(document.form2.userpoint.value==""){
alert("请填写学员成绩!");
document.form2.userpoint.focus();
return false
}
}
-->
</script>
我用一个提交按钮
<input type="submit" onclick="check();" />触发,但是没有反映啊?怎么回事啊?谢谢了.jcwcn.com@ 不懂........ <script language="javascript">
<!--
function check(){
if(document.form2.username.value==""){
alert("学员姓名不能为空!");
document.form2.username.focus();
return false
}
return ture;
}
-->
</script>
<form name="form2">
<input name="username" value="" />
<input type="submit"onclick="return check()" >
</form>
页:
[1]
