📄 formvalidate.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>
testForm
</title>
<script language="JavaScript">
<!--
function validate(form1){
flag=true;
if (form1.firstname.value!="huxinzhe") {
alert("Error in name");
flag=false;
}
if (!form1.sex[0].checked) {
alert("Error in Sex");
flag=false;
}
if (!form1.bike.checked) {
alert("Error in Bike");
flag=false;
}
if (form1.cars.selectedIndex!=3) {
alert("Error in Cars");
flag=false;
}
return flag;
}
-->
</script>
</head>
<body>
<form action="http://localhost:8080/TestHtml/a.jsp" method="get" onSubmit="return validate(this)">
Name:<input type="text" name="firstname">
<br>
Pass:<input type="password" name="pwd" size="10" maxlength="8">
<br>
Sex:<input type="radio" name="sex" value="male" checked> Male
<input type="radio" name="sex" value="female"> Female
<br>
<input type="checkbox" name="bike" value="Bike"> Bike
<br><br>
<input type="button" value="Hello world!">
<br><br>
Cars:<select name="cars">
<option value="volvo">Volvo
<option value="saab">Saab
<option value="fiat">Fiat
<option value="audi" selected>Audi
</select>
<br>
Comment:<textarea rows=“10” cols=“30” name="comment"> </textarea>
<br>
<input type="hidden" name="age" value="20">
<input type="submit" value="Submit">
<input type="reset" value="Reset">
</form>
</body>
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