The action is an attribute of <form> element that specifies the url of the second web page. The second page receives the form-data from the first page after the submission of a form.
Syntax
<form action="URL of page"> .............. </form> This attribute specifies the URL of a web page as its value which receives the information of the form filled by the user.
Example
<!DOCTYPE html>
<html>
<head>
<title>
Example of HTML form action
</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body{
font-family: Calibri, Helvetica, sans-serif;
background-color: pink;
}
.container {
padding: 50px;
background-color: lightblue;
}
input[type=text] {
width: 100%;
padding: 15px;
margin: 5px 0 22px 0;
display: inline-block;
border: none;
background: #f1f1f1;
}
input[type=text]:focus {
background-color: orange;
outline: none;
}
div {
padding: 10px 0;
}
.registerbtn {
background-color: #4CAF50;
color: white;
padding: 16px 20px;
margin: 8px 0;
border: none;
cursor: pointer;
width: 100%;
opacity: 0.9;
}
.registerbtn:hover {
opacity: 1;
}
</style>
</head>
<body>
<div class="container">
<center> <h1> Student Registeration Form</h1> </center>
<form action="jp.html" method="post">
<label> Firstname </label>
<input type="text" name="firstname" placeholder= "Firstname" size="15" required />
<label> Lastname: </label>
<input type="text" name="lastname" placeholder="Lastname" size="15"required />
<div>
<label>
Gender :
</label><br>
<input type="radio" value="Male" name="gender" checked > Male
<input type="radio" value="Female" name="gender"> Female
<input type="radio" value="Other" name="gender"> Other
<div>
<label>
Phone :
</label>
<input type="text" name="phone" placeholder="phone no." size="10" required>
</div>
<button type="submit" class="registerbtn">Register</button>
</form>
After click on the submit button, the values of form are sent to the jp.php page with the help of a server. If you want to learn the process of a server, then click on this url: https://www.javatpoint.com/php-form
</body>
</html>