<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>formcheck</title>
<script type="text/javascript">
function checkusrn() {
var check = false;
var username = document.getElementById("username").value;
if (username.length > 10) {
document.getElementById("checktext1").innerHTML = " × 不要多于10位";
check = false;
} else {
document.getElementById("checktext1").innerHTML = " √";
check = true;
}
return check;
}
function checkpwd() {
var check = false;
var password = document.getElementById("password").value;
if (password.length < 6) {
document.getElementById("checktext2").innerHTML = " × 不要少于6位";
check = false;
} else {
document.getElementById("checktext2").innerHTML = " √";
check = true;
}
return check;
}
function checkpwdc() {
var check = false;
var password = document.getElementById("password").value;
var pwdc = document.getElementById("pwdc").value;
if (password != pwdc) {
document.getElementById("checktext3").innerHTML = " × 两次输入密码不一致";
check = false;
} else {
document.getElementById("checktext3").innerHTML = " √";
check = true;
}
return check;
}
function checkcb() {
var check = false
if (!document.getElementsByName("checkbox")[0].checked) {
document.getElementById("checktext4").innerHTML = " × 请同意我们的条款才可以继续申请";
check = false;
} else {
document.getElementById("checktext4").innerHTML = "";
check = true;
}
return check;
}
function check() {
var check = checkusrn() && checkpwd() && checkpwdc() && checkcb();
return check;
}
</script>
</head>
<body>
<form action="success.html" method="get" onsubmit="return check()">
<fieldset>
<legend>
表单验证小例子
</legend>
<h3>
请输入信息
</h3>
<label>
用户名:
</label>
<input type="text" id="username" name="username"
onchange="checkusrn()" />
<span id="checktext1"></span>
<br />
<label>
密码:
</label>
<input type="password" id="password" name="password"
onchange="checkpwd()" />
<span id="checktext2"></span>
<br />
<label>
确认密码:
</label>
<input type="password" id="pwdc" name="pwdc" onchange="checkpwdc()" />
<span id="checktext3"></span>
<br />
<input type="checkbox" name="checkbox" onchange="checkcb()" />
<label>
我已经阅读了XX条款并不能同意得更多
</label>
<span id="checktext4"></span>
<br />
<br />
<input type="submit" value="走!" />
</fieldset>
</form>
</body>
</html>
<form action="success.html" method="get" onsubmit="return check()">
<fieldset>
<legend>
表单验证小例子
</legend>
<h3>
请输入信息
</h3>
<label>
用户名:
</label>
<input type="text" id="username" name="username"
onchange="checkusrn()" />
<span id="checktext1"></span>
<br />
<label>
密码:
</label>
<input type="password" id="password" name="password"
onchange="checkpwd()" />
<span id="checktext2"></span>
<br />
<label>
确认密码:
</label>
<input type="password" id="pwdc" name="pwdc" onchange="checkpwdc()" />
<span id="checktext3"></span>
<br />
<input type="checkbox" name="checkbox" onchange="checkcb()" />
<label>
我已经阅读了XX条款并不能同意得更多
</label>
<span id="checktext4"></span>
<br />
<br />
<input type="submit" value="走!" />
</fieldset>
</form>
function checkusrn() {
var check = false;
var username = document.getElementById("username").value;
if (username.length > 10) {
document.getElementById("checktext1").innerHTML = " × 不要多于10位";
check = false;
} else {
document.getElementById("checktext1").innerHTML = " √";
check = true;
}
return check;
}
function checkpwd() {
var check = false;
var password = document.getElementById("password").value;
if (password.length < 6) {
document.getElementById("checktext2").innerHTML = " × 不要少于6位";
check = false;
} else {
document.getElementById("checktext2").innerHTML = " √";
check = true;
}
return check;
}
function checkpwdc() {
var check = false;
var password = document.getElementById("password").value;
var pwdc = document.getElementById("pwdc").value;
if (password != pwdc) {
document.getElementById("checktext3").innerHTML = " × 两次输入密码不一致";
check = false;
} else {
document.getElementById("checktext3").innerHTML = " √";
check = true;
}
return check;
}
function checkcb() {
var check = false
if (!document.getElementsByName("checkbox")[0].checked) {
document.getElementById("checktext4").innerHTML = " × 请同意我们的条款才可以继续申请";
check = false;
} else {
document.getElementById("checktext4").innerHTML = "";
check = true;
}
return check;
}
function check() {
var check = checkusrn() && checkpwd() && checkpwdc() && checkcb();
return check;
}
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