Follow along with the video below to see how to install our site as a web app on your home screen.
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И какво означава, при :document.getElementById
В цикъл ли ползваш тази функция?Rushvet каза:но когато са няколко подред
function validate()
{
validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
var error1 ="Невалиден E-mail";
if (strEmail.search(validRegExp) == -1)
{
document.getElementById("txtHint").innerHTML=error1
return false;
}
}
<form name="register" onSubmit="return validate()" method="post" action="register.php">
<input name="username" type="text" style="width: 50%;" VALUE="<?=$_POST['username'];?>">
<input name="password" type="text" style="width: 50%;" VALUE="<?=$_POST['password'];?>">
<input name="password_confirm" type="text" style="width: 50%;" VALUE="<?=$_POST['password_confirm'];?>">
<input name="email" type="text" style="width: 50%;"VALUE="<?=$_POST['email'];?>">
<input name="signup_continue" type="submit" value="Регистрирай ме !">
</form>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251" />
<title>Untitled Document</title>
<script type="text/javascript">
function validate(){
var validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
var validUserExp = /^[a-z]+$/i;
var validPass = /^[a-zA-Z0-9]+$/i;
var forma = document.getElementById('forma');
for(i=0; i<document.getElementById('forma').length; i++){
if(forma[i].id=="username"){
if(forma[i].value.length==0){
alert("Въведе потребитеслко име");
break;
} else if(forma[i].value.search(validUserExp) == -1){
alert("Невалидно потребителско име");
break;
}
} else if(forma[i].id=="password"){
if(forma[i].value.length<4 || forma[i].value.length>30){
alert("Паролата може да е между 4 и 30 символа");
break;
} else if(forma[i].value.search(validPass) == -1){
alert("Паролата може да съдържа само латински букви и цифри");
break;
} else if(forma[i].value!=document.getElementById('password_confirm').value){
alert("Паролите не съвпадат");
break;
}
} else if(forma[i].id=="email"){
if(forma[i].value.search(validRegExp) == -1){
alert("Невалиден E-mail");
break;
}
} else {
forma.submit();
}
}
}
</script>
</head>
<body>
<form name="register" method="post" action="register.php" id="forma" onSubmit="validate(); return false">
ПОтребителско име<input name="username" id="username" type="text" style="width:50%;" VALUE=""><br />
Парола<input name="password" id="password" type="text" style="width:50%;" VALUE=""><br />
Повтори паролата<input name="password_confirm" id="password_confirm" type="text" style="width:50%;" VALUE=""><br />
E-mail<input name="email" type="text" id="email" style="width: 50%;"VALUE=""><br />
<input name="signup_continue" type="submit" value="Регистрирай ме !">
</form>
</body>
</html>