web14.html

来自「javascript 的一些简单例子 主要面对初学者」· HTML 代码 · 共 51 行

HTML
51
字号
<html>
<head>
<title>the page is very good</title>
<script language="JavaScript">

function a ()
{
var fname=form1.name.value;
var age=form1.age.value;
var password=form1.password.value;

if(fname.length>10)
{
alert("please enter your correct name");
}
else if(age<1||age>100)
{
alert("please enter the correct age");
}

else
{
if(password==123456)
{
alert("the password is right");
}
else
{
alert("the password is wrong")
}
}
}


</script>

<body>
<form name="form1">
Name:<br/>
<input type="text" id="name"><br/>
age:<br/>
<input type="text" id="age"><br/>
password:<br/>
<input type="password" id="password">
</br>

<input type="button" onclick="a()" size="20">
</form>
</body>
</html>

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