HTML Forms and attributes
HTML forms and attributes examples and also submitting of forms
| Attribute | Description |
| accept-charset | Specifies the character encodings that are to be used for the form submission. |
| action | Specifies where to send the form data when a form is submitted. |
| autocomplete | Specifies whether a form should have autocompleted on or off. |
| enctype | Specifies how the form data should be encoded when submitting it to the server (only for method="post"). |
| method | Specifies the HTTP method to use when sending form data (POST or GET). |
| name | Specifies the name of a form. |
| validate | Specifies that the form should not be validated when submitted. |
| target | Specifies where to display the response that is received after submitting the form |
In order to group input elements and submit data, HTML uses a form element to encapsulate input and submission elements. These forms handle sending the data in the specified method to a page handled by a server or handler. This topic explains and demonstrates the usage of HTML forms in collecting and submitting input data.
HTML Form Submitting
The Action Attribute
The action attribute defines the action to be performed when the form is submitted, which usually leads to a script that collects the information submitted and works with it. if you leave it blank, it will send it to the same file
<form action="action.php">
The Method Attribute
The method attribute is used to define the HTTP method of the form which is either GET or POST.
<form action="action.php" method="get">
<form action="action.php" method="post">
The GET method is mostly used to get data, for example, to receive a post by its ID or name, or to submit a search query. The GET method will append the form data to the URL specified in the action attribute.
www.example.com/action.php?firstname=Mickey&lastname=Mouse
The POST method is used when submitting data to a script. The POST method does not append the form data to the action URL but sends using the request body. To submit the data from the form correctly, a name attribute name must be specified.
As an example let's send the value of the field and set its name to lastname:
<input type="text" name="lastname" value="Mouse">
More attributes
<form action="action.php" method="post" target="_blank" accept-charset="UTF-8"
enctype="application/x-www-form-urlencoded" autocomplete="off" novalidate>
<!-- form elements --></form>
HTML Target attribute in form tag
The target attribute specifies a name or a keyword that indicates where to display the response that is received after submitting the form.
The target attribute defines a name of, or keyword for, a browsing context (e.g. tab, window, or inline frame). From Tag with a target attribute:
<form target="_blank">
| Value | Description |
| _blank | The response is displayed in a new window or tab |
| _self | The response is displayed in the same frame (this is the default) |
| _parent | The response is displayed in the parent frame |
| _top | The response is displayed in the full body of the window |
| framename | The response is displayed in a named iframe |
Note: The target attribute was deprecated in HTML 4.01. The target attribute is supported in HTML5. Frames and framesets are not supported in HTML5, so the _parent, _top, and frame name values are now mostly used with iframes.
HTML Form Uploading Files
Images and files can be uploaded/submitted to the server by setting enctype attribute of the form tag to multipart/formdata. enctype specifies how form data would be encoded while submitting to the server.
Example
<!DOCTYPE html>
<html>
<head>
<title>Atutorialhub demo title</title>
</head>
<body>
<form method="post" enctype="multipart/form-data" action="upload.php">
<input type="file" name="pic" />
<input type="submit" value="Upload" />
</form>
</body>
</html>
HTML Form Grouping a few input fields
While designing a form, you might like to group a few input fields into a group to help organize the form layout. This can be done by using the tag. Here is an example of using it.
For each fieldset, you can set a legend for the set using the tag LEGEND TEXT
Example
<!DOCTYPE html>
<html>
<head>
<title>Atutorialhub demo title</title>
</head>
<body>
<form>
<fieldset>
<legend>1st field set:</legend>
Field one:<br>
<input type="text"><br>Field two:<br>
<input type="text"><br>
</fieldset><br>
<fieldset>
<legend>2nd field set:</legend>
Field three:<br>
<input type="text"><br>
Field four:<br>
<input type="text"><br>
</fieldset><br>
<input type="submit" value="Submit">
</form>
</body>
</html>
output:
Browser Support
Chrome, IE, Edge, Firefox, Safari, and Opera's latest versions also support the tag
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