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Forms In HTML

In this article, we will discuss form elements in HTML.

Purpose

Form tag contains HTML controls like textbox, textarea, dropdown, etc. that are used for collecting data and sending data to the server for processing.

Syntax

<form method="" action=""></form>

Action Attribute

The "Action" attribute specifies the web page where data is sent for processing (once submitted).

Method Attribute

Let us first discuss some basics. If you are browsing a website through web browser hosting on some machine then your web browser is a client and the machine where the website is hosted is a server.

The client application sends a request to the server and in return, the server sends the response to the client.

To understand this let us consider an example of a website that contains a registration form. The user enters the details and clicks on submit button. When the button is clicked it means that the client is sending data to the server for inserting data into the database. In other words, this is the request from the client to the server. The server receives the request and then it does an action on data i.e., insert it into the database. Once the transaction is done, the server sends the response to the client (i.e., a web browser) whether the transaction is successful or not.

There are 2 methods by which the client and server can communicate with each other: -

Get → In the Get method client requests information from the server by sending parameters. Those parameters are appended with URI separated by a question mark (?).
Post → Unlike Get (which appends parameters in URL), post sends the parameter in the body of the HTTP request. The parameters are not visible to users and therefore can be used to send sensitive information.

So, the method attribute describes the method of sending data to the server. Method attribute has 2 permissible values: -

Get
Post

Example

<html>
	<head>
		<title>Form Demo</title>
	</head>
	<body>
		<form method="get" action="Page1.html"></form>
	</body>
</html>

Browser Support

Internet Explorer	Firefox	Chrome	Safari	Opera	Edge
Yes	Yes	Yes	Yes	Yes	Yes

Posted By -	Karan Gupta

Posted On -	Friday, November 4, 2016

Updated On -	Sunday, November 26, 2017

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