HTML Forms are used to select different kinds of user input.
Examples
Text fieldsThis example demonstrates how to create text fields on an HTML page. A user can write text in a text field.
Password fieldsThis example demonstrates how to create a password field on an HTML page.
(You can find more examples at the bottom of this page)
Forms
A form is an area that can contain form elements.
Form elements are elements that allow the user to enter information (like text fields, textarea fields, drop-down menus, radio buttons, checkboxes, etc.) in a form.
A form is defined with the
Input
The most used form tag is the tag. The type of input is specified with the type attribute. The most commonly used input types are explained below.
Text Fields
Text fields are used when you want the user to type letters, numbers, etc. in a form.
How it looks in a browser:
First name: Last name:
Note that the form itself is not visible. Also note that in most browsers, the width of the text field is 20 characters by default.
Radio Buttons
Radio Buttons are used when you want the user to select one of a limited number of choices.
How it looks in a browser:
Male Female
Note that only one option can be chosen.
Checkboxes
Checkboxes are used when you want the user to select one or more options of a limited number of choices.
How it looks in a browser:
I have a bike: I have a car: I have an airplane:
The Form's Action Attribute and the Submit Button
When the user clicks on the "Submit" button, the content of the form is sent to another file. The form's action attribute defines the name of the file to send the content to. The file defined in the action attribute usually does something with the received input.
How it looks in a browser:
Username:
If you type some characters in the text field above, and click the "Submit" button, you will send your input to a page called "html_form_action.asp". That page will show you the received input.
More Examples
CheckboxesThis example demonstrates how to create check-boxes on an HTML page. A user can select or unselect a checkbox.
Radio buttonsThis example demonstrates how to create radio-buttons on an HTML page.
Simple drop down boxThis example demonstrates how to create a simple drop-down box on an HTML page. A drop-down box is a selectable list.
Another drop down boxThis example demonstrates how to create a simple drop-down box with a pre-selected value.
TextareaThis example demonstrates how to create a text-area (a multi-line text input control). A user can write text in the text-area. In a text-area you can write an unlimited number of characters.
Create a buttonThis example demonstrates how to create a button. On the button you can define your own text.
Fieldset around dataThis example demonstrates how to draw a border with a caption around your data.
Form Examples
Form with input fields and a submit buttonThis example demonstrates how to add a form to a page. The form contains two input fields and a submit button.
Form with checkboxesThis form contains three checkboxes, and a submit button.
Form with radio buttonsThis form contains two radio buttons, and a submit button.
Send e-mail from a formThis example demonstrates how to send e-mail from a form.
Form Tags
Tag
Description
Defines a form for user input
Defines an input field
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