<script language="JavaScript">function FormCheck()
{
if(document.form1.username.value.length==0)
{
alert("请输入用户名");
return false;
}
if(!document.form1.radiobutton1.checked&&!document.form1.radiobutton2.checked)
{
alert("请输入性别");
return false;
}
}
</script> <FORM name="form1" action="register.asp" method=post onsubmit="return FormCheck()">
<p>用户名:
<input type="text" name="username">
</p>
<p>性别:
<input type="radio" name="radiobutton1" value="radiobutton">男
<input type="radio" name="radiobutton2" value="radiobutton">女
</p>
<p>
<input type="submit" name="Submit" value="确定">
</p>
</form>
{
if(document.form1.username.value.length==0)
{
alert("请输入用户名");
return false;
}
if(!document.form1.radiobutton1.checked&&!document.form1.radiobutton2.checked)
{
alert("请输入性别");
return false;
}
}
</script> <FORM name="form1" action="register.asp" method=post onsubmit="return FormCheck()">
<p>用户名:
<input type="text" name="username">
</p>
<p>性别:
<input type="radio" name="radiobutton1" value="radiobutton">男
<input type="radio" name="radiobutton2" value="radiobutton">女
</p>
<p>
<input type="submit" name="Submit" value="确定">
</p>
</form>
解决方案 »
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